20941851

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5167}}^1$

素因数の和:5370

約数の個数: 16

約数和(自身を含む): 32082944

約数和(自身を除く): 11141093

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 5167, 15501, 36169, 108507, 997231, 2991693, 6980617, 20941851]

約数ペア:

[(1, 20941851), (3, 6980617), (7, 2991693), (21, 997231), (193, 108507), (579, 36169), (1351, 15501), (4053, 5167)]