20789829

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 31117632

約数和(自身を除く): 10327803

約数列:

[1, 3, 9, 41, 103, 123, 309, 369, 547, 927, 1641, 4223, 4923, 12669, 22427, 38007, 56341, 67281, 169023, 201843, 507069, 2309981, 6929943, 20789829]

約数ペア:

[(1, 20789829), (3, 6929943), (9, 2309981), (41, 507069), (103, 201843), (123, 169023), (309, 67281), (369, 56341), (547, 38007), (927, 22427), (1641, 12669), (4223, 4923)]