20215647968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:617

約数の個数: 192

約数和(自身を含む): 45505152000

約数和(自身を除く): 25289504032

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 37, 38, 46, 74, 76, 89, 92, 148, 152, 178, 184, 296, 304, 356, 368, 437, 439, 592, 608, 703, 712, 736, 851, 874, 878, 1184, 1406, 1424, 1691, 1702, 1748, 1756, 2047, 2812, 2848, 3293, 3382, 3404, 3496, 3512, 4094, 5624, 6586, 6764, 6808, 6992, 7024, 8188, 8341, 10097, 11248, 13172, 13528, 13616, 13984, 14048, 16169, 16243, 16376, 16682, 20194, 22496, 26344, 27056, 27232, 32338, 32486, 32752, 33364, 38893, 39071, 40388, 52688, 54112, 62567, 64676, 64972, 65504, 66728, 75739, 77786, 78142, 80776, 105376, 125134, 129352, 129944, 133456, 151478, 155572, 156284, 161552, 191843, 250268, 258704, 259888, 266912, 302956, 308617, 311144, 312568, 323104, 373589, 383686, 500536, 517408, 519776, 605912, 617234, 622288, 625136, 742349, 747178, 767372, 898633, 1001072, 1211824, 1234468, 1244576, 1250272, 1439041, 1445627, 1484698, 1494356, 1534744, 1797266, 2002144, 2423648, 2468936, 2878082, 2891254, 2969396, 2988712, 3069488, 3594532, 4937872, 5756164, 5782508, 5938792, 5977424, 6138976, 7098191, 7189064, 9875744, 11512328, 11565016, 11877584, 11954848, 14196382, 14378128, 17074027, 23024656, 23130032, 23755168, 27466913, 28392764, 28756256, 33249421, 34148054, 46049312, 46260064, 54933826, 56785528, 66498842, 68296108, 109867652, 113571056, 132997684, 136592216, 219735304, 227142112, 265995368, 273184432, 439470608, 531990736, 546368864, 631738999, 878941216, 1063981472, 1263477998, 2526955996, 5053911992, 10107823984, 20215647968]

約数ペア:

[(1, 20215647968), (2, 10107823984), (4, 5053911992), (8, 2526955996), (16, 1263477998), (19, 1063981472), (23, 878941216), (32, 631738999), (37, 546368864), (38, 531990736), (46, 439470608), (74, 273184432), (76, 265995368), (89, 227142112), (92, 219735304), (148, 136592216), (152, 132997684), (178, 113571056), (184, 109867652), (296, 68296108), (304, 66498842), (356, 56785528), (368, 54933826), (437, 46260064), (439, 46049312), (592, 34148054), (608, 33249421), (703, 28756256), (712, 28392764), (736, 27466913), (851, 23755168), (874, 23130032), (878, 23024656), (1184, 17074027), (1406, 14378128), (1424, 14196382), (1691, 11954848), (1702, 11877584), (1748, 11565016), (1756, 11512328), (2047, 9875744), (2812, 7189064), (2848, 7098191), (3293, 6138976), (3382, 5977424), (3404, 5938792), (3496, 5782508), (3512, 5756164), (4094, 4937872), (5624, 3594532), (6586, 3069488), (6764, 2988712), (6808, 2969396), (6992, 2891254), (7024, 2878082), (8188, 2468936), (8341, 2423648), (10097, 2002144), (11248, 1797266), (13172, 1534744), (13528, 1494356), (13616, 1484698), (13984, 1445627), (14048, 1439041), (16169, 1250272), (16243, 1244576), (16376, 1234468), (16682, 1211824), (20194, 1001072), (22496, 898633), (26344, 767372), (27056, 747178), (27232, 742349), (32338, 625136), (32486, 622288), (32752, 617234), (33364, 605912), (38893, 519776), (39071, 517408), (40388, 500536), (52688, 383686), (54112, 373589), (62567, 323104), (64676, 312568), (64972, 311144), (65504, 308617), (66728, 302956), (75739, 266912), (77786, 259888), (78142, 258704), (80776, 250268), (105376, 191843), (125134, 161552), (129352, 156284), (129944, 155572), (133456, 151478)]