19996980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333283}}^1$

素因数の和:333295

約数の個数: 24

約数和(自身を含む): 55991712

約数和(自身を除く): 35994732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333283, 666566, 999849, 1333132, 1666415, 1999698, 3332830, 3999396, 4999245, 6665660, 9998490, 19996980]

約数ペア:

[(1, 19996980), (2, 9998490), (3, 6665660), (4, 4999245), (5, 3999396), (6, 3332830), (10, 1999698), (12, 1666415), (15, 1333132), (20, 999849), (30, 666566), (60, 333283)]