20912700651

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{392351}}^1$

素因数の和:392626

約数の個数: 16

約数和(自身を含む): 28312120320

約数和(自身を除く): 7399419669

約数列:

[1, 3, 109, 163, 327, 489, 17767, 53301, 392351, 1177053, 42766259, 63953213, 128298777, 191859639, 6970900217, 20912700651]

約数ペア:

[(1, 20912700651), (3, 6970900217), (109, 191859639), (163, 128298777), (327, 63953213), (489, 42766259), (17767, 1177053), (53301, 392351)]