20178385929

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57488279}}^1$

素因数の和:57488301

約数の個数: 16

約数和(自身を含む): 32193436800

約数和(自身を除く): 12015050871

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57488279, 172464837, 517394511, 747347627, 1552183533, 2242042881, 6726128643, 20178385929]

約数ペア:

[(1, 20178385929), (3, 6726128643), (9, 2242042881), (13, 1552183533), (27, 747347627), (39, 517394511), (117, 172464837), (351, 57488279)]