20806039084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4309453}}^1$

素因数の和:4309545

約数の個数: 24

約数和(自身を含む): 39095366688

約数和(自身を除く): 18289327604

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 4309453, 8618906, 17237812, 73260701, 146521402, 293042804, 305971163, 611942326, 1223884652, 5201509771, 10403019542, 20806039084]

約数ペア:

[(1, 20806039084), (2, 10403019542), (4, 5201509771), (17, 1223884652), (34, 611942326), (68, 305971163), (71, 293042804), (142, 146521402), (284, 73260701), (1207, 17237812), (2414, 8618906), (4828, 4309453)]