20994037420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7044979}}^1$

素因数の和:7045137

約数の個数: 24

約数和(自身を含む): 44383374000

約数和(自身を除く): 23389336580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 7044979, 14089958, 28179916, 35224895, 70449790, 140899580, 1049701871, 2099403742, 4198807484, 5248509355, 10497018710, 20994037420]

約数ペア:

[(1, 20994037420), (2, 10497018710), (4, 5248509355), (5, 4198807484), (10, 2099403742), (20, 1049701871), (149, 140899580), (298, 70449790), (596, 35224895), (745, 28179916), (1490, 14089958), (2980, 7044979)]