20804905285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3084493}}^1$

素因数の和:3084588

約数の個数: 16

約数和(自身を含む): 26650028160

約数和(自身を除く): 5845122875

約数列:

[1, 5, 19, 71, 95, 355, 1349, 6745, 3084493, 15422465, 58605367, 218999003, 293026835, 1094995015, 4160981057, 20804905285]

約数ペア:

[(1, 20804905285), (5, 4160981057), (19, 1094995015), (71, 293026835), (95, 218999003), (355, 58605367), (1349, 15422465), (6745, 3084493)]