20322980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32779}}^1$

素因数の和:32819

約数の個数: 24

約数和(自身を含む): 44056320

約数和(自身を除く): 23733340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32779, 65558, 131116, 163895, 327790, 655580, 1016149, 2032298, 4064596, 5080745, 10161490, 20322980]

約数ペア:

[(1, 20322980), (2, 10161490), (4, 5080745), (5, 4064596), (10, 2032298), (20, 1016149), (31, 655580), (62, 327790), (124, 163895), (155, 131116), (310, 65558), (620, 32779)]