20173859993

素因数分解:

$7^1\times {\mathrm{307}}^1\times {\mathrm{757}}^1\times {\mathrm{12401}}^1$

素因数の和:13472

約数の個数: 16

約数和(自身を含む): 23163364224

約数和(自身を除く): 2989504231

約数列:

[1, 7, 307, 757, 2149, 5299, 12401, 86807, 232399, 1626793, 3807107, 9387557, 26649749, 65712899, 2881979999, 20173859993]

約数ペア:

[(1, 20173859993), (7, 2881979999), (307, 65712899), (757, 26649749), (2149, 9387557), (5299, 3807107), (12401, 1626793), (86807, 232399)]