20005239

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{757}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 27942912

約数和(自身を除く): 7937673

約数列:

[1, 3, 23, 69, 383, 757, 1149, 2271, 8809, 17411, 26427, 52233, 289931, 869793, 6668413, 20005239]

約数ペア:

[(1, 20005239), (3, 6668413), (23, 869793), (69, 289931), (383, 52233), (757, 26427), (1149, 17411), (2271, 8809)]