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amicable number

American  

noun

Mathematics.

  1. either of a pair of positive integers in which each member is equal to the sum of the submultiples of the other, as 220 and 284.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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