20408964578

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{3926311}}^1$

素因数の和:3926449

約数の個数: 16

約数和(自身を含む): 32227168896

約数和(自身を除く): 11818204318

約数列:

[1, 2, 23, 46, 113, 226, 2599, 5198, 3926311, 7852622, 90305153, 180610306, 443673143, 887346286, 10204482289, 20408964578]

約数ペア:

[(1, 20408964578), (2, 10204482289), (23, 887346286), (46, 443673143), (113, 180610306), (226, 90305153), (2599, 7852622), (5198, 3926311)]