20343985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3371}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 26220672

約数和(自身を除く): 5876687

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3371, 6035, 16855, 57307, 239341, 286535, 1196705, 4068797, 20343985]

約数ペア:

[(1, 20343985), (5, 4068797), (17, 1196705), (71, 286535), (85, 239341), (355, 57307), (1207, 16855), (3371, 6035)]