20854704

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 61107200

約数和(自身を除く): 40252496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1759, 1976, 2964, 3518, 3952, 5277, 5928, 7036, 10554, 11856, 14072, 21108, 22867, 28144, 33421, 42216, 45734, 66842, 68601, 84432, 91468, 100263, 133684, 137202, 182936, 200526, 267368, 274404, 365872, 401052, 434473, 534736, 548808, 802104, 868946, 1097616, 1303419, 1604208, 1737892, 2606838, 3475784, 5213676, 6951568, 10427352, 20854704]

約数ペア:

[(1, 20854704), (2, 10427352), (3, 6951568), (4, 5213676), (6, 3475784), (8, 2606838), (12, 1737892), (13, 1604208), (16, 1303419), (19, 1097616), (24, 868946), (26, 802104), (38, 548808), (39, 534736), (48, 434473), (52, 401052), (57, 365872), (76, 274404), (78, 267368), (104, 200526), (114, 182936), (152, 137202), (156, 133684), (208, 100263), (228, 91468), (247, 84432), (304, 68601), (312, 66842), (456, 45734), (494, 42216), (624, 33421), (741, 28144), (912, 22867), (988, 21108), (1482, 14072), (1759, 11856), (1976, 10554), (2964, 7036), (3518, 5928), (3952, 5277)]