20187054978

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{47387453}}^1$

素因数の和:47387529

約数の個数: 16

約数和(自身を含む): 40942760256

約数和(自身を除く): 20755705278

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 47387453, 94774906, 142162359, 284324718, 3364509163, 6729018326, 10093527489, 20187054978]

約数ペア:

[(1, 20187054978), (2, 10093527489), (3, 6729018326), (6, 3364509163), (71, 284324718), (142, 142162359), (213, 94774906), (426, 47387453)]