20187035

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 27112848

約数和(自身を除く): 6925813

約数列:

[1, 5, 11, 55, 61, 121, 305, 547, 605, 671, 2735, 3355, 6017, 7381, 30085, 33367, 36905, 66187, 166835, 330935, 367037, 1835185, 4037407, 20187035]

約数ペア:

[(1, 20187035), (5, 4037407), (11, 1835185), (55, 367037), (61, 330935), (121, 166835), (305, 66187), (547, 36905), (605, 33367), (671, 30085), (2735, 7381), (3355, 6017)]