20802021481

素因数分解:

${\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{701}}^1\times {\mathrm{2221}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 21563283456

約数和(自身を除く): 761261975

約数列:

[1, 31, 431, 701, 2221, 13361, 21731, 68851, 302131, 957251, 1556921, 9366061, 29674781, 48264551, 671032951, 20802021481]

約数ペア:

[(1, 20802021481), (31, 671032951), (431, 48264551), (701, 29674781), (2221, 9366061), (13361, 1556921), (21731, 957251), (68851, 302131)]