20680506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 57328128

約数和(自身を除く): 36647622

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 63, 66, 77, 86, 99, 126, 129, 154, 198, 231, 258, 301, 347, 387, 462, 473, 602, 693, 694, 774, 903, 946, 1041, 1386, 1419, 1806, 2082, 2429, 2709, 2838, 3123, 3311, 3817, 4257, 4858, 5418, 6246, 6622, 7287, 7634, 8514, 9933, 11451, 14574, 14921, 19866, 21861, 22902, 26719, 29799, 29842, 34353, 43722, 44763, 53438, 59598, 68706, 80157, 89526, 104447, 134289, 160314, 164131, 208894, 240471, 268578, 313341, 328262, 480942, 492393, 626682, 940023, 984786, 1148917, 1477179, 1880046, 2297834, 2954358, 3446751, 6893502, 10340253, 20680506]

約数ペア:

[(1, 20680506), (2, 10340253), (3, 6893502), (6, 3446751), (7, 2954358), (9, 2297834), (11, 1880046), (14, 1477179), (18, 1148917), (21, 984786), (22, 940023), (33, 626682), (42, 492393), (43, 480942), (63, 328262), (66, 313341), (77, 268578), (86, 240471), (99, 208894), (126, 164131), (129, 160314), (154, 134289), (198, 104447), (231, 89526), (258, 80157), (301, 68706), (347, 59598), (387, 53438), (462, 44763), (473, 43722), (602, 34353), (693, 29842), (694, 29799), (774, 26719), (903, 22902), (946, 21861), (1041, 19866), (1386, 14921), (1419, 14574), (1806, 11451), (2082, 9933), (2429, 8514), (2709, 7634), (2838, 7287), (3123, 6622), (3311, 6246), (3817, 5418), (4257, 4858)]