20123259

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2141}}^1$

素因数の和:2398

約数の個数: 16

約数和(自身を含む): 29028384

約数和(自身を除く): 8905125

約数列:

[1, 3, 13, 39, 241, 723, 2141, 3133, 6423, 9399, 27833, 83499, 515981, 1547943, 6707753, 20123259]

約数ペア:

[(1, 20123259), (3, 6707753), (13, 1547943), (39, 515981), (241, 83499), (723, 27833), (2141, 9399), (3133, 6423)]