20559020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6899}}^1$

素因数の和:7057

約数の個数: 24

約数和(自身を含む): 43470000

約数和(自身を除く): 22910980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6899, 13798, 27596, 34495, 68990, 137980, 1027951, 2055902, 4111804, 5139755, 10279510, 20559020]

約数ペア:

[(1, 20559020), (2, 10279510), (4, 5139755), (5, 4111804), (10, 2055902), (20, 1027951), (149, 137980), (298, 68990), (596, 34495), (745, 27596), (1490, 13798), (2980, 6899)]