20652138

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 52001280

約数和(自身を除く): 31349142

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 73, 78, 93, 117, 146, 169, 186, 219, 234, 279, 338, 351, 403, 438, 507, 558, 657, 702, 806, 837, 949, 1014, 1209, 1314, 1521, 1674, 1898, 1971, 2263, 2418, 2847, 3042, 3627, 3942, 4526, 4563, 5239, 5694, 6789, 7254, 8541, 9126, 10478, 10881, 12337, 13578, 15717, 17082, 20367, 21762, 24674, 25623, 29419, 31434, 37011, 40734, 47151, 51246, 58838, 61101, 74022, 88257, 94302, 111033, 122202, 141453, 176514, 222066, 264771, 282906, 333099, 382447, 529542, 666198, 764894, 794313, 1147341, 1588626, 2294682, 3442023, 6884046, 10326069, 20652138]

約数ペア:

[(1, 20652138), (2, 10326069), (3, 6884046), (6, 3442023), (9, 2294682), (13, 1588626), (18, 1147341), (26, 794313), (27, 764894), (31, 666198), (39, 529542), (54, 382447), (62, 333099), (73, 282906), (78, 264771), (93, 222066), (117, 176514), (146, 141453), (169, 122202), (186, 111033), (219, 94302), (234, 88257), (279, 74022), (338, 61101), (351, 58838), (403, 51246), (438, 47151), (507, 40734), (558, 37011), (657, 31434), (702, 29419), (806, 25623), (837, 24674), (949, 21762), (1014, 20367), (1209, 17082), (1314, 15717), (1521, 13578), (1674, 12337), (1898, 10881), (1971, 10478), (2263, 9126), (2418, 8541), (2847, 7254), (3042, 6789), (3627, 5694), (3942, 5239), (4526, 4563)]