20658051

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 31825920

約数和(自身を除く): 11167869

約数列:

[1, 3, 9, 27, 47, 73, 141, 219, 223, 423, 657, 669, 1269, 1971, 2007, 3431, 6021, 10293, 10481, 16279, 30879, 31443, 48837, 92637, 94329, 146511, 282987, 439533, 765113, 2295339, 6886017, 20658051]

約数ペア:

[(1, 20658051), (3, 6886017), (9, 2295339), (27, 765113), (47, 439533), (73, 282987), (141, 146511), (219, 94329), (223, 92637), (423, 48837), (657, 31443), (669, 30879), (1269, 16279), (1971, 10481), (2007, 10293), (3431, 6021)]