20616565525

素因数分解:

$5^2\times {\mathrm{2351}}^1\times {\mathrm{350771}}^1$

素因数の和:353132

約数の個数: 12

約数和(自身を含む): 25575488064

約数和(自身を除く): 4958922539

約数列:

[1, 5, 25, 2351, 11755, 58775, 350771, 1753855, 8769275, 824662621, 4123313105, 20616565525]

約数ペア:

[(1, 20616565525), (5, 4123313105), (25, 824662621), (2351, 8769275), (11755, 1753855), (58775, 350771)]