20478069

素因数分解:

$3^3\times {\mathrm{593}}^1\times {\mathrm{1279}}^1$

素因数の和:1881

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 9934731

約数列:

[1, 3, 9, 27, 593, 1279, 1779, 3837, 5337, 11511, 16011, 34533, 758447, 2275341, 6826023, 20478069]

約数ペア:

[(1, 20478069), (3, 6826023), (9, 2275341), (27, 758447), (593, 34533), (1279, 16011), (1779, 11511), (3837, 5337)]