20379550

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3607}}^1$

素因数の和:3732

約数の個数: 24

約数和(自身を含む): 38252016

約数和(自身を除く): 17872466

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3607, 5650, 7214, 18035, 36070, 90175, 180350, 407591, 815182, 2037955, 4075910, 10189775, 20379550]

約数ペア:

[(1, 20379550), (2, 10189775), (5, 4075910), (10, 2037955), (25, 815182), (50, 407591), (113, 180350), (226, 90175), (565, 36070), (1130, 18035), (2825, 7214), (3607, 5650)]