20104990976

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 288

約数和(自身を含む): 51096729600

約数和(自身を除く): 30991738624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 61, 62, 64, 68, 112, 119, 122, 124, 128, 136, 217, 224, 238, 244, 248, 256, 272, 349, 427, 434, 448, 476, 488, 496, 527, 544, 698, 854, 868, 896, 952, 976, 992, 1037, 1054, 1088, 1396, 1708, 1736, 1792, 1891, 1904, 1952, 1984, 2074, 2108, 2176, 2443, 2792, 3416, 3472, 3689, 3782, 3808, 3904, 3968, 4148, 4216, 4352, 4886, 5584, 5933, 6832, 6944, 7259, 7378, 7564, 7616, 7808, 7936, 8296, 8432, 9772, 10819, 11168, 11866, 13237, 13664, 13888, 14518, 14756, 15128, 15232, 15616, 16592, 16864, 19544, 21289, 21638, 22336, 23732, 26474, 27328, 27776, 29036, 29512, 30256, 30464, 32147, 33184, 33728, 39088, 41531, 42578, 43276, 44672, 47464, 52948, 54656, 55552, 58072, 59024, 60512, 64294, 66368, 67456, 75733, 78176, 83062, 85156, 86552, 89344, 94928, 105896, 109312, 116144, 118048, 121024, 128588, 132736, 134912, 149023, 151466, 156352, 166124, 170312, 173104, 183923, 189856, 211792, 225029, 232288, 236096, 242048, 257176, 265472, 298046, 302932, 312704, 332248, 340624, 346208, 361913, 367846, 379712, 423584, 450058, 464576, 472192, 484096, 514352, 596092, 605864, 625408, 659959, 664496, 681248, 692416, 723826, 735692, 759424, 847168, 900116, 929152, 944384, 1028704, 1192184, 1211728, 1287461, 1319918, 1328992, 1362496, 1384832, 1447652, 1471384, 1518848, 1694336, 1800232, 1858304, 2057408, 2384368, 2423456, 2533391, 2574922, 2639836, 2657984, 2724992, 2769664, 2895304, 2942768, 3388672, 3600464, 4114816, 4619713, 4768736, 4846912, 5066782, 5149844, 5279672, 5315968, 5449984, 5790608, 5885536, 7200928, 8229632, 9239426, 9537472, 9693824, 10133564, 10299688, 10559344, 10631936, 11219303, 11581216, 11771072, 14401856, 18478852, 19074944, 19387648, 20267128, 20599376, 21118688, 22438606, 23162432, 23542144, 28803712, 36957704, 38149888, 40534256, 41198752, 42237376, 44877212, 46324864, 47084288, 57607424, 73915408, 78535121, 81068512, 82397504, 84474752, 89754424, 92649728, 147830816, 157070242, 162137024, 164795008, 168949504, 179508848, 295661632, 314140484, 324274048, 329590016, 359017696, 591323264, 628280968, 648548096, 718035392, 1182646528, 1256561936, 1436070784, 2513123872, 2872141568, 5026247744, 10052495488, 20104990976]

約数ペア:

[(1, 20104990976), (2, 10052495488), (4, 5026247744), (7, 2872141568), (8, 2513123872), (14, 1436070784), (16, 1256561936), (17, 1182646528), (28, 718035392), (31, 648548096), (32, 628280968), (34, 591323264), (56, 359017696), (61, 329590016), (62, 324274048), (64, 314140484), (68, 295661632), (112, 179508848), (119, 168949504), (122, 164795008), (124, 162137024), (128, 157070242), (136, 147830816), (217, 92649728), (224, 89754424), (238, 84474752), (244, 82397504), (248, 81068512), (256, 78535121), (272, 73915408), (349, 57607424), (427, 47084288), (434, 46324864), (448, 44877212), (476, 42237376), (488, 41198752), (496, 40534256), (527, 38149888), (544, 36957704), (698, 28803712), (854, 23542144), (868, 23162432), (896, 22438606), (952, 21118688), (976, 20599376), (992, 20267128), (1037, 19387648), (1054, 19074944), (1088, 18478852), (1396, 14401856), (1708, 11771072), (1736, 11581216), (1792, 11219303), (1891, 10631936), (1904, 10559344), (1952, 10299688), (1984, 10133564), (2074, 9693824), (2108, 9537472), (2176, 9239426), (2443, 8229632), (2792, 7200928), (3416, 5885536), (3472, 5790608), (3689, 5449984), (3782, 5315968), (3808, 5279672), (3904, 5149844), (3968, 5066782), (4148, 4846912), (4216, 4768736), (4352, 4619713), (4886, 4114816), (5584, 3600464), (5933, 3388672), (6832, 2942768), (6944, 2895304), (7259, 2769664), (7378, 2724992), (7564, 2657984), (7616, 2639836), (7808, 2574922), (7936, 2533391), (8296, 2423456), (8432, 2384368), (9772, 2057408), (10819, 1858304), (11168, 1800232), (11866, 1694336), (13237, 1518848), (13664, 1471384), (13888, 1447652), (14518, 1384832), (14756, 1362496), (15128, 1328992), (15232, 1319918), (15616, 1287461), (16592, 1211728), (16864, 1192184), (19544, 1028704), (21289, 944384), (21638, 929152), (22336, 900116), (23732, 847168), (26474, 759424), (27328, 735692), (27776, 723826), (29036, 692416), (29512, 681248), (30256, 664496), (30464, 659959), (32147, 625408), (33184, 605864), (33728, 596092), (39088, 514352), (41531, 484096), (42578, 472192), (43276, 464576), (44672, 450058), (47464, 423584), (52948, 379712), (54656, 367846), (55552, 361913), (58072, 346208), (59024, 340624), (60512, 332248), (64294, 312704), (66368, 302932), (67456, 298046), (75733, 265472), (78176, 257176), (83062, 242048), (85156, 236096), (86552, 232288), (89344, 225029), (94928, 211792), (105896, 189856), (109312, 183923), (116144, 173104), (118048, 170312), (121024, 166124), (128588, 156352), (132736, 151466), (134912, 149023)]