20185851

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56543}}^1$

素因数の和:56570

約数の個数: 16

約数和(自身を含む): 32569344

約数和(自身を除く): 12383493

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56543, 169629, 395801, 961231, 1187403, 2883693, 6728617, 20185851]

約数ペア:

[(1, 20185851), (3, 6728617), (7, 2883693), (17, 1187403), (21, 961231), (51, 395801), (119, 169629), (357, 56543)]