20605684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2707}}^1$

素因数の和:2895

約数の個数: 24

約数和(自身を含む): 39580128

約数和(自身を除く): 18974444

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2707, 3806, 5414, 7612, 10828, 29777, 59554, 119108, 468311, 936622, 1873244, 5151421, 10302842, 20605684]

約数ペア:

[(1, 20605684), (2, 10302842), (4, 5151421), (11, 1873244), (22, 936622), (44, 468311), (173, 119108), (346, 59554), (692, 29777), (1903, 10828), (2707, 7612), (3806, 5414)]