20033285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 24955392

約数和(自身を除く): 4922107

約数列:

[1, 5, 31, 155, 307, 421, 1535, 2105, 9517, 13051, 47585, 65255, 129247, 646235, 4006657, 20033285]

約数ペア:

[(1, 20033285), (5, 4006657), (31, 646235), (155, 129247), (307, 65255), (421, 47585), (1535, 13051), (2105, 9517)]