20107550

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2699}}^1$

素因数の和:2860

約数の個数: 24

約数和(自身を含む): 37665000

約数和(自身を除く): 17557450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2699, 3725, 5398, 7450, 13495, 26990, 67475, 134950, 402151, 804302, 2010755, 4021510, 10053775, 20107550]

約数ペア:

[(1, 20107550), (2, 10053775), (5, 4021510), (10, 2010755), (25, 804302), (50, 402151), (149, 134950), (298, 67475), (745, 26990), (1490, 13495), (2699, 7450), (3725, 5398)]