20057515

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{599}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 24897600

約数和(自身を除く): 4840085

約数列:

[1, 5, 37, 181, 185, 599, 905, 2995, 6697, 22163, 33485, 108419, 110815, 542095, 4011503, 20057515]

約数ペア:

[(1, 20057515), (5, 4011503), (37, 542095), (181, 110815), (185, 108419), (599, 33485), (905, 22163), (2995, 6697)]