20115566874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{145949}}^1$

素因数の和:146020

約数の個数: 96

約数和(自身を含む): 51000768000

約数和(自身を除く): 30885201126

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 117, 171, 186, 234, 247, 279, 342, 403, 494, 558, 589, 741, 806, 1178, 1209, 1482, 1767, 2223, 2418, 3534, 3627, 4446, 5301, 7254, 7657, 10602, 15314, 22971, 45942, 68913, 137826, 145949, 291898, 437847, 875694, 1313541, 1897337, 2627082, 2773031, 3794674, 4524419, 5546062, 5692011, 8319093, 9048838, 11384022, 13573257, 16638186, 17076033, 24957279, 27146514, 34152066, 36049403, 40719771, 49914558, 58817447, 72098806, 81439542, 85963961, 108148209, 117634894, 171927922, 176452341, 216296418, 257891883, 324444627, 352904682, 515783766, 529357023, 648889254, 773675649, 1058714046, 1117531493, 1547351298, 2235062986, 3352594479, 6705188958, 10057783437, 20115566874]

約数ペア:

[(1, 20115566874), (2, 10057783437), (3, 6705188958), (6, 3352594479), (9, 2235062986), (13, 1547351298), (18, 1117531493), (19, 1058714046), (26, 773675649), (31, 648889254), (38, 529357023), (39, 515783766), (57, 352904682), (62, 324444627), (78, 257891883), (93, 216296418), (114, 176452341), (117, 171927922), (171, 117634894), (186, 108148209), (234, 85963961), (247, 81439542), (279, 72098806), (342, 58817447), (403, 49914558), (494, 40719771), (558, 36049403), (589, 34152066), (741, 27146514), (806, 24957279), (1178, 17076033), (1209, 16638186), (1482, 13573257), (1767, 11384022), (2223, 9048838), (2418, 8319093), (3534, 5692011), (3627, 5546062), (4446, 4524419), (5301, 3794674), (7254, 2773031), (7657, 2627082), (10602, 1897337), (15314, 1313541), (22971, 875694), (45942, 437847), (68913, 291898), (137826, 145949)]