20465555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1597}}^1$

素因数の和:1846

約数の個数: 16

約数和(自身を含む): 26923104

約数和(自身を除く): 6457549

約数列:

[1, 5, 11, 55, 233, 1165, 1597, 2563, 7985, 12815, 17567, 87835, 372101, 1860505, 4093111, 20465555]

約数ペア:

[(1, 20465555), (5, 4093111), (11, 1860505), (55, 372101), (233, 87835), (1165, 17567), (1597, 12815), (2563, 7985)]