20748618

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2499

約数の個数: 48

約数和(自身を含む): 50203296

約数和(自身を除く): 29454678

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 2437, 2838, 4257, 4874, 7311, 8514, 14622, 21933, 26807, 43866, 53614, 80421, 104791, 160842, 209582, 241263, 314373, 482526, 628746, 943119, 1152701, 1886238, 2305402, 3458103, 6916206, 10374309, 20748618]

約数ペア:

[(1, 20748618), (2, 10374309), (3, 6916206), (6, 3458103), (9, 2305402), (11, 1886238), (18, 1152701), (22, 943119), (33, 628746), (43, 482526), (66, 314373), (86, 241263), (99, 209582), (129, 160842), (198, 104791), (258, 80421), (387, 53614), (473, 43866), (774, 26807), (946, 21933), (1419, 14622), (2437, 8514), (2838, 7311), (4257, 4874)]