20403900309

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8576671}}^1$

素因数の和:8576748

約数の個数: 16

約数和(自身を含む): 29778205184

約数和(自身を除く): 9374304875

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8576671, 25730013, 111496723, 334490169, 523176931, 1569530793, 6801300103, 20403900309]

約数ペア:

[(1, 20403900309), (3, 6801300103), (13, 1569530793), (39, 523176931), (61, 334490169), (183, 111496723), (793, 25730013), (2379, 8576671)]