20656470016

素因数分解:

$2^{11}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 384

約数和(自身を含む): 54596505600

約数和(自身を除く): 33940035584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 61, 64, 79, 91, 92, 104, 112, 122, 128, 158, 161, 182, 184, 208, 224, 244, 256, 299, 316, 322, 364, 368, 416, 427, 448, 488, 512, 553, 598, 632, 644, 728, 736, 793, 832, 854, 896, 976, 1024, 1027, 1106, 1196, 1264, 1288, 1403, 1456, 1472, 1586, 1664, 1708, 1792, 1817, 1952, 2048, 2054, 2093, 2212, 2392, 2528, 2576, 2806, 2912, 2944, 3172, 3328, 3416, 3584, 3634, 3904, 4108, 4186, 4424, 4784, 4819, 5056, 5152, 5551, 5612, 5824, 5888, 6344, 6656, 6832, 7168, 7189, 7268, 7808, 8216, 8372, 8848, 9568, 9638, 9821, 10112, 10304, 11102, 11224, 11648, 11776, 12688, 12719, 13312, 13664, 14336, 14378, 14536, 15616, 16432, 16744, 17696, 18239, 19136, 19276, 19642, 20224, 20608, 22204, 22448, 23296, 23552, 23621, 25376, 25438, 26624, 27328, 28756, 29072, 31232, 32864, 33488, 33733, 35392, 36478, 38272, 38552, 39284, 40448, 41216, 44408, 44896, 46592, 47104, 47242, 50752, 50876, 54656, 57512, 58144, 62464, 62647, 65728, 66976, 67466, 70784, 72956, 76544, 77104, 78568, 80896, 82432, 88816, 89792, 93184, 94484, 101504, 101752, 109312, 110837, 115024, 116288, 124928, 125294, 127673, 131456, 133952, 134932, 141568, 145912, 153088, 154208, 157136, 161792, 164864, 165347, 177632, 179584, 186368, 188968, 203008, 203504, 218624, 221674, 230048, 232576, 250588, 255346, 262912, 267904, 269864, 283136, 291824, 306176, 308416, 314272, 329728, 330694, 355264, 359168, 377936, 406016, 407008, 437248, 438529, 443348, 460096, 465152, 501176, 510692, 525824, 535808, 539728, 566272, 583648, 612352, 616832, 628544, 661388, 710528, 718336, 755872, 775859, 812032, 814016, 874496, 877058, 886696, 920192, 930304, 1002352, 1021384, 1051648, 1071616, 1079456, 1132544, 1167296, 1233664, 1257088, 1322776, 1421056, 1436672, 1440881, 1511744, 1551718, 1624064, 1628032, 1754116, 1773392, 1840384, 1860608, 2004704, 2042768, 2103296, 2143232, 2158912, 2334592, 2467328, 2514176, 2645552, 2842112, 2873344, 2881762, 3023488, 3103436, 3256064, 3508232, 3546784, 3680768, 3721216, 4009408, 4085536, 4286464, 4317824, 4669184, 4934656, 5028352, 5291104, 5684224, 5763524, 6046976, 6206872, 6512128, 7016464, 7093568, 7361536, 8018816, 8171072, 8635648, 9338368, 9869312, 10056704, 10086167, 10582208, 11368448, 11527048, 12093952, 12413744, 13024256, 14032928, 14187136, 14723072, 16037632, 16342144, 17271296, 18676736, 20113408, 20172334, 21164416, 23054096, 24187904, 24827488, 26048512, 28065856, 28374272, 32075264, 32684288, 34542592, 37353472, 40344668, 42328832, 46108192, 48375808, 49654976, 56131712, 56748544, 64150528, 65368576, 69085184, 80689336, 84657664, 92216384, 99309952, 112263424, 113497088, 128301056, 130737152, 161378672, 169315328, 184432768, 198619904, 224526848, 226994176, 261474304, 322757344, 338630656, 368865536, 397239808, 449053696, 645514688, 737731072, 794479616, 898107392, 1291029376, 1475462144, 1588959232, 2582058752, 2950924288, 5164117504, 10328235008, 20656470016]

約数ペア:

[(1, 20656470016), (2, 10328235008), (4, 5164117504), (7, 2950924288), (8, 2582058752), (13, 1588959232), (14, 1475462144), (16, 1291029376), (23, 898107392), (26, 794479616), (28, 737731072), (32, 645514688), (46, 449053696), (52, 397239808), (56, 368865536), (61, 338630656), (64, 322757344), (79, 261474304), (91, 226994176), (92, 224526848), (104, 198619904), (112, 184432768), (122, 169315328), (128, 161378672), (158, 130737152), (161, 128301056), (182, 113497088), (184, 112263424), (208, 99309952), (224, 92216384), (244, 84657664), (256, 80689336), (299, 69085184), (316, 65368576), (322, 64150528), (364, 56748544), (368, 56131712), (416, 49654976), (427, 48375808), (448, 46108192), (488, 42328832), (512, 40344668), (553, 37353472), (598, 34542592), (632, 32684288), (644, 32075264), (728, 28374272), (736, 28065856), (793, 26048512), (832, 24827488), (854, 24187904), (896, 23054096), (976, 21164416), (1024, 20172334), (1027, 20113408), (1106, 18676736), (1196, 17271296), (1264, 16342144), (1288, 16037632), (1403, 14723072), (1456, 14187136), (1472, 14032928), (1586, 13024256), (1664, 12413744), (1708, 12093952), (1792, 11527048), (1817, 11368448), (1952, 10582208), (2048, 10086167), (2054, 10056704), (2093, 9869312), (2212, 9338368), (2392, 8635648), (2528, 8171072), (2576, 8018816), (2806, 7361536), (2912, 7093568), (2944, 7016464), (3172, 6512128), (3328, 6206872), (3416, 6046976), (3584, 5763524), (3634, 5684224), (3904, 5291104), (4108, 5028352), (4186, 4934656), (4424, 4669184), (4784, 4317824), (4819, 4286464), (5056, 4085536), (5152, 4009408), (5551, 3721216), (5612, 3680768), (5824, 3546784), (5888, 3508232), (6344, 3256064), (6656, 3103436), (6832, 3023488), (7168, 2881762), (7189, 2873344), (7268, 2842112), (7808, 2645552), (8216, 2514176), (8372, 2467328), (8848, 2334592), (9568, 2158912), (9638, 2143232), (9821, 2103296), (10112, 2042768), (10304, 2004704), (11102, 1860608), (11224, 1840384), (11648, 1773392), (11776, 1754116), (12688, 1628032), (12719, 1624064), (13312, 1551718), (13664, 1511744), (14336, 1440881), (14378, 1436672), (14536, 1421056), (15616, 1322776), (16432, 1257088), (16744, 1233664), (17696, 1167296), (18239, 1132544), (19136, 1079456), (19276, 1071616), (19642, 1051648), (20224, 1021384), (20608, 1002352), (22204, 930304), (22448, 920192), (23296, 886696), (23552, 877058), (23621, 874496), (25376, 814016), (25438, 812032), (26624, 775859), (27328, 755872), (28756, 718336), (29072, 710528), (31232, 661388), (32864, 628544), (33488, 616832), (33733, 612352), (35392, 583648), (36478, 566272), (38272, 539728), (38552, 535808), (39284, 525824), (40448, 510692), (41216, 501176), (44408, 465152), (44896, 460096), (46592, 443348), (47104, 438529), (47242, 437248), (50752, 407008), (50876, 406016), (54656, 377936), (57512, 359168), (58144, 355264), (62464, 330694), (62647, 329728), (65728, 314272), (66976, 308416), (67466, 306176), (70784, 291824), (72956, 283136), (76544, 269864), (77104, 267904), (78568, 262912), (80896, 255346), (82432, 250588), (88816, 232576), (89792, 230048), (93184, 221674), (94484, 218624), (101504, 203504), (101752, 203008), (109312, 188968), (110837, 186368), (115024, 179584), (116288, 177632), (124928, 165347), (125294, 164864), (127673, 161792), (131456, 157136), (133952, 154208), (134932, 153088), (141568, 145912)]