20015510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69019}}^1$

素因数の和:69055

約数の個数: 16

約数和(自身を含む): 37270800

約数和(自身を除く): 17255290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69019, 138038, 345095, 690190, 2001551, 4003102, 10007755, 20015510]

約数ペア:

[(1, 20015510), (2, 10007755), (5, 4003102), (10, 2001551), (29, 690190), (58, 345095), (145, 138038), (290, 69019)]