20267721

素因数分解:

$3^2\times {\mathrm{691}}^1\times {\mathrm{3259}}^1$

素因数の和:3956

約数の個数: 12

約数和(自身を含む): 29326960

約数和(自身を除く): 9059239

約数列:

[1, 3, 9, 691, 2073, 3259, 6219, 9777, 29331, 2251969, 6755907, 20267721]

約数ペア:

[(1, 20267721), (3, 6755907), (9, 2251969), (691, 29331), (2073, 9777), (3259, 6219)]