20003425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 27177080

約数和(自身を除く): 7173655

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1009, 1525, 3965, 5045, 13117, 19825, 25225, 61549, 65585, 307745, 327925, 800137, 1538725, 4000685, 20003425]

約数ペア:

[(1, 20003425), (5, 4000685), (13, 1538725), (25, 800137), (61, 327925), (65, 307745), (305, 65585), (325, 61549), (793, 25225), (1009, 19825), (1525, 13117), (3965, 5045)]