20375476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1489}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 39049920

約数和(自身を除く): 18674444

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1489, 2978, 3421, 5956, 6842, 13684, 16379, 32758, 65516, 463079, 926158, 1852316, 5093869, 10187738, 20375476]

約数ペア:

[(1, 20375476), (2, 10187738), (4, 5093869), (11, 1852316), (22, 926158), (44, 463079), (311, 65516), (622, 32758), (1244, 16379), (1489, 13684), (2978, 6842), (3421, 5956)]