20258667

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 36599472

約数和(自身を除く): 16340805

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 53, 81, 99, 117, 121, 143, 159, 243, 297, 351, 363, 429, 477, 583, 689, 891, 1053, 1089, 1287, 1431, 1573, 1749, 2067, 2673, 3159, 3267, 3861, 4293, 4719, 5247, 6201, 6413, 7579, 9801, 11583, 12879, 14157, 15741, 18603, 19239, 22737, 29403, 34749, 42471, 47223, 55809, 57717, 68211, 83369, 127413, 141669, 167427, 173151, 204633, 250107, 382239, 519453, 613899, 750321, 1558359, 1841697, 2250963, 6752889, 20258667]

約数ペア:

[(1, 20258667), (3, 6752889), (9, 2250963), (11, 1841697), (13, 1558359), (27, 750321), (33, 613899), (39, 519453), (53, 382239), (81, 250107), (99, 204633), (117, 173151), (121, 167427), (143, 141669), (159, 127413), (243, 83369), (297, 68211), (351, 57717), (363, 55809), (429, 47223), (477, 42471), (583, 34749), (689, 29403), (891, 22737), (1053, 19239), (1089, 18603), (1287, 15741), (1431, 14157), (1573, 12879), (1749, 11583), (2067, 9801), (2673, 7579), (3159, 6413), (3267, 6201), (3861, 5247), (4293, 4719)]