20188857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{839}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 29070720

約数和(自身を除く): 8881863

約数列:

[1, 3, 13, 39, 617, 839, 1851, 2517, 8021, 10907, 24063, 32721, 517663, 1552989, 6729619, 20188857]

約数ペア:

[(1, 20188857), (3, 6729619), (13, 1552989), (39, 517663), (617, 32721), (839, 24063), (1851, 10907), (2517, 8021)]