12391472020

素因数分解:

$2^2\times 5^1\times {\mathrm{619573601}}^1$

素因数の和:619573610

約数の個数: 12

約数和(自身を含む): 26022091284

約数和(自身を除く): 13630619264

約数列:

[1, 2, 4, 5, 10, 20, 619573601, 1239147202, 2478294404, 3097868005, 6195736010, 12391472020]

約数ペア:

[(1, 12391472020), (2, 6195736010), (4, 3097868005), (5, 2478294404), (10, 1239147202), (20, 619573601)]