20677998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1811}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 45401472

約数和(自身を除く): 24723474

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 173, 346, 519, 1038, 1811, 1903, 3622, 3806, 5433, 5709, 10866, 11418, 19921, 39842, 59763, 119526, 313303, 626606, 939909, 1879818, 3446333, 6892666, 10338999, 20677998]

約数ペア:

[(1, 20677998), (2, 10338999), (3, 6892666), (6, 3446333), (11, 1879818), (22, 939909), (33, 626606), (66, 313303), (173, 119526), (346, 59763), (519, 39842), (1038, 19921), (1811, 11418), (1903, 10866), (3622, 5709), (3806, 5433)]