20265999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3793}}^1$

素因数の和:3946

約数の個数: 16

約数和(自身を含む): 29320032

約数和(自身を除く): 9054033

約数列:

[1, 3, 13, 39, 137, 411, 1781, 3793, 5343, 11379, 49309, 147927, 519641, 1558923, 6755333, 20265999]

約数ペア:

[(1, 20265999), (3, 6755333), (13, 1558923), (39, 519641), (137, 147927), (411, 49309), (1781, 11379), (3793, 5343)]