20910129

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 28551744

約数和(自身を除く): 7641615

約数列:

[1, 3, 61, 163, 183, 489, 701, 2103, 9943, 29829, 42761, 114263, 128283, 342789, 6970043, 20910129]

約数ペア:

[(1, 20910129), (3, 6970043), (61, 342789), (163, 128283), (183, 114263), (489, 42761), (701, 29829), (2103, 9943)]