19876980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331283}}^1$

素因数の和:331295

約数の個数: 24

約数和(自身を含む): 55655712

約数和(自身を除く): 35778732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331283, 662566, 993849, 1325132, 1656415, 1987698, 3312830, 3975396, 4969245, 6625660, 9938490, 19876980]

約数ペア:

[(1, 19876980), (2, 9938490), (3, 6625660), (4, 4969245), (5, 3975396), (6, 3312830), (10, 1987698), (12, 1656415), (15, 1325132), (20, 993849), (30, 662566), (60, 331283)]