20123033

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 24560640

約数和(自身を除く): 4437607

約数列:

[1, 7, 19, 71, 133, 497, 1349, 2131, 9443, 14917, 40489, 151301, 283423, 1059107, 2874719, 20123033]

約数ペア:

[(1, 20123033), (7, 2874719), (19, 1059107), (71, 283423), (133, 151301), (497, 40489), (1349, 14917), (2131, 9443)]