20840222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1913}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 12922738

約数列:

[1, 2, 13, 26, 419, 838, 1913, 3826, 5447, 10894, 24869, 49738, 801547, 1603094, 10420111, 20840222]

約数ペア:

[(1, 20840222), (2, 10420111), (13, 1603094), (26, 801547), (419, 49738), (838, 24869), (1913, 10894), (3826, 5447)]