20121479110

素因数分解:

$2^1\times 5^1\times {\mathrm{5399}}^1\times {\mathrm{372689}}^1$

素因数の和:378095

約数の個数: 16

約数和(自身を含む): 36225468000

約数和(自身を除く): 16103988890

約数列:

[1, 2, 5, 10, 5399, 10798, 26995, 53990, 372689, 745378, 1863445, 3726890, 2012147911, 4024295822, 10060739555, 20121479110]

約数ペア:

[(1, 20121479110), (2, 10060739555), (5, 4024295822), (10, 2012147911), (5399, 3726890), (10798, 1863445), (26995, 745378), (53990, 372689)]