20557525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 6583595

約数列:

[1, 5, 19, 25, 95, 113, 383, 475, 565, 1915, 2147, 2825, 7277, 9575, 10735, 36385, 43279, 53675, 181925, 216395, 822301, 1081975, 4111505, 20557525]

約数ペア:

[(1, 20557525), (5, 4111505), (19, 1081975), (25, 822301), (95, 216395), (113, 181925), (383, 53675), (475, 43279), (565, 36385), (1915, 10735), (2147, 9575), (2825, 7277)]