20129161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 2550839

約数列:

[1, 13, 29, 107, 377, 499, 1391, 3103, 6487, 14471, 40339, 53393, 188123, 694109, 1548397, 20129161]

約数ペア:

[(1, 20129161), (13, 1548397), (29, 694109), (107, 188123), (377, 53393), (499, 40339), (1391, 14471), (3103, 6487)]