20621843

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 23233632

約数和(自身を除く): 2611789

約数列:

[1, 11, 61, 73, 421, 671, 803, 4453, 4631, 25681, 30733, 48983, 282491, 338063, 1874713, 20621843]

約数ペア:

[(1, 20621843), (11, 1874713), (61, 338063), (73, 282491), (421, 48983), (671, 30733), (803, 25681), (4453, 4631)]