20537750

素因数分解:

$2^1\times 5^3\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 38840256

約数和(自身を除く): 18302506

約数列:

[1, 2, 5, 10, 25, 50, 113, 125, 226, 250, 565, 727, 1130, 1454, 2825, 3635, 5650, 7270, 14125, 18175, 28250, 36350, 82151, 90875, 164302, 181750, 410755, 821510, 2053775, 4107550, 10268875, 20537750]

約数ペア:

[(1, 20537750), (2, 10268875), (5, 4107550), (10, 2053775), (25, 821510), (50, 410755), (113, 181750), (125, 164302), (226, 90875), (250, 82151), (565, 36350), (727, 28250), (1130, 18175), (1454, 14125), (2825, 7270), (3635, 5650)]