20711570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17117}}^1$

素因数の和:17146

約数の個数: 24

約数和(自身を含む): 40980492

約数和(自身を除く): 20268922

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17117, 34234, 85585, 171170, 188287, 376574, 941435, 1882870, 2071157, 4142314, 10355785, 20711570]

約数ペア:

[(1, 20711570), (2, 10355785), (5, 4142314), (10, 2071157), (11, 1882870), (22, 941435), (55, 376574), (110, 188287), (121, 171170), (242, 85585), (605, 34234), (1210, 17117)]