20981162

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 13689430

約数列:

[1, 2, 17, 34, 43, 86, 113, 127, 226, 254, 731, 1462, 1921, 2159, 3842, 4318, 4859, 5461, 9718, 10922, 14351, 28702, 82603, 92837, 165206, 185674, 243967, 487934, 617093, 1234186, 10490581, 20981162]

約数ペア:

[(1, 20981162), (2, 10490581), (17, 1234186), (34, 617093), (43, 487934), (86, 243967), (113, 185674), (127, 165206), (226, 92837), (254, 82603), (731, 28702), (1462, 14351), (1921, 10922), (2159, 9718), (3842, 5461), (4318, 4859)]