20681047296

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{98639}}^1$

素因数の和:98681

約数の個数: 216

約数和(自身を含む): 73389738240

約数和(自身を除く): 52708690944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 256, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 546, 576, 624, 672, 728, 768, 819, 832, 896, 936, 1008, 1092, 1152, 1248, 1344, 1456, 1638, 1664, 1792, 1872, 2016, 2184, 2304, 2496, 2688, 2912, 3276, 3328, 3744, 4032, 4368, 4992, 5376, 5824, 6552, 7488, 8064, 8736, 9984, 11648, 13104, 14976, 16128, 17472, 23296, 26208, 29952, 34944, 52416, 69888, 98639, 104832, 197278, 209664, 295917, 394556, 591834, 690473, 789112, 887751, 1183668, 1282307, 1380946, 1578224, 1775502, 2071419, 2367336, 2564614, 2761892, 3156448, 3551004, 3846921, 4142838, 4734672, 5129228, 5523784, 6214257, 6312896, 7102008, 7693842, 8285676, 8976149, 9469344, 10258456, 11047568, 11540763, 12428514, 12625792, 14204016, 15387684, 16571352, 17952298, 18938688, 20516912, 22095136, 23081526, 24857028, 25251584, 26928447, 28408032, 30775368, 33142704, 35904596, 37877376, 41033824, 44190272, 46163052, 49714056, 53856894, 56816064, 61550736, 66285408, 71809192, 75754752, 80785341, 82067648, 88380544, 92326104, 99428112, 107713788, 113632128, 123101472, 132570816, 143618384, 161570682, 164135296, 176761088, 184652208, 198856224, 215427576, 227264256, 246202944, 265141632, 287236768, 323141364, 328270592, 369304416, 397712448, 430855152, 492405888, 530283264, 574473536, 646282728, 738608832, 795424896, 861710304, 984811776, 1148947072, 1292565456, 1477217664, 1590849792, 1723420608, 2297894144, 2585130912, 2954435328, 3446841216, 5170261824, 6893682432, 10340523648, 20681047296]

約数ペア:

[(1, 20681047296), (2, 10340523648), (3, 6893682432), (4, 5170261824), (6, 3446841216), (7, 2954435328), (8, 2585130912), (9, 2297894144), (12, 1723420608), (13, 1590849792), (14, 1477217664), (16, 1292565456), (18, 1148947072), (21, 984811776), (24, 861710304), (26, 795424896), (28, 738608832), (32, 646282728), (36, 574473536), (39, 530283264), (42, 492405888), (48, 430855152), (52, 397712448), (56, 369304416), (63, 328270592), (64, 323141364), (72, 287236768), (78, 265141632), (84, 246202944), (91, 227264256), (96, 215427576), (104, 198856224), (112, 184652208), (117, 176761088), (126, 164135296), (128, 161570682), (144, 143618384), (156, 132570816), (168, 123101472), (182, 113632128), (192, 107713788), (208, 99428112), (224, 92326104), (234, 88380544), (252, 82067648), (256, 80785341), (273, 75754752), (288, 71809192), (312, 66285408), (336, 61550736), (364, 56816064), (384, 53856894), (416, 49714056), (448, 46163052), (468, 44190272), (504, 41033824), (546, 37877376), (576, 35904596), (624, 33142704), (672, 30775368), (728, 28408032), (768, 26928447), (819, 25251584), (832, 24857028), (896, 23081526), (936, 22095136), (1008, 20516912), (1092, 18938688), (1152, 17952298), (1248, 16571352), (1344, 15387684), (1456, 14204016), (1638, 12625792), (1664, 12428514), (1792, 11540763), (1872, 11047568), (2016, 10258456), (2184, 9469344), (2304, 8976149), (2496, 8285676), (2688, 7693842), (2912, 7102008), (3276, 6312896), (3328, 6214257), (3744, 5523784), (4032, 5129228), (4368, 4734672), (4992, 4142838), (5376, 3846921), (5824, 3551004), (6552, 3156448), (7488, 2761892), (8064, 2564614), (8736, 2367336), (9984, 2071419), (11648, 1775502), (13104, 1578224), (14976, 1380946), (16128, 1282307), (17472, 1183668), (23296, 887751), (26208, 789112), (29952, 690473), (34944, 591834), (52416, 394556), (69888, 295917), (98639, 209664), (104832, 197278)]