20356713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{677}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 31836168

約数和(自身を除く): 11479455

約数列:

[1, 3, 9, 13, 39, 117, 257, 677, 771, 2031, 2313, 3341, 6093, 8801, 10023, 26403, 30069, 79209, 173989, 521967, 1565901, 2261857, 6785571, 20356713]

約数ペア:

[(1, 20356713), (3, 6785571), (9, 2261857), (13, 1565901), (39, 521967), (117, 173989), (257, 79209), (677, 30069), (771, 26403), (2031, 10023), (2313, 8801), (3341, 6093)]