20947578

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25117}}^1$

素因数の和:25261

約数の個数: 16

約数和(自身を含む): 42198240

約数和(自身を除く): 21250662

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25117, 50234, 75351, 150702, 3491263, 6982526, 10473789, 20947578]

約数ペア:

[(1, 20947578), (2, 10473789), (3, 6982526), (6, 3491263), (139, 150702), (278, 75351), (417, 50234), (834, 25117)]