20257001855

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{314623}}^1$

素因数の和:314870

約数の個数: 16

約数和(自身を含む): 24767201280

約数和(自身を除く): 4510199425

約数列:

[1, 5, 79, 163, 395, 815, 12877, 64385, 314623, 1573115, 24855217, 51283549, 124276085, 256417745, 4051400371, 20257001855]

約数ペア:

[(1, 20257001855), (5, 4051400371), (79, 256417745), (163, 124276085), (395, 51283549), (815, 24855217), (12877, 1573115), (64385, 314623)]