20518186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1831}}^1$

素因数の和:2277

約数の個数: 16

約数和(自身を含む): 33239808

約数和(自身を除く): 12721622

約数列:

[1, 2, 13, 26, 431, 862, 1831, 3662, 5603, 11206, 23803, 47606, 789161, 1578322, 10259093, 20518186]

約数ペア:

[(1, 20518186), (2, 10259093), (13, 1578322), (26, 789161), (431, 47606), (862, 23803), (1831, 11206), (3662, 5603)]