20013507

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{23911}}^1$

素因数の和:23951

約数の個数: 16

約数和(自身を含む): 30607360

約数和(自身を除く): 10593853

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 23911, 71733, 215199, 645597, 741241, 2223723, 6671169, 20013507]

約数ペア:

[(1, 20013507), (3, 6671169), (9, 2223723), (27, 741241), (31, 645597), (93, 215199), (279, 71733), (837, 23911)]