20702121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2441}}^1$

素因数の和:2712

約数の個数: 16

約数和(自身を含む): 30241728

約数和(自身を除く): 9539607

約数列:

[1, 3, 11, 33, 257, 771, 2441, 2827, 7323, 8481, 26851, 80553, 627337, 1882011, 6900707, 20702121]

約数ペア:

[(1, 20702121), (3, 6900707), (11, 1882011), (33, 627337), (257, 80553), (771, 26851), (2441, 8481), (2827, 7323)]