20788302080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{563}}^1$

素因数の和:921

約数の個数: 288

約数和(自身を含む): 61588041984

約数和(自身を除く): 40799739904

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 317, 320, 364, 416, 448, 455, 520, 560, 563, 634, 640, 728, 832, 896, 910, 1040, 1120, 1126, 1268, 1280, 1456, 1585, 1664, 1792, 1820, 2080, 2219, 2240, 2252, 2536, 2815, 2912, 3170, 3328, 3640, 3941, 4121, 4160, 4438, 4480, 4504, 5072, 5630, 5824, 6340, 7280, 7319, 7882, 8242, 8320, 8876, 8960, 9008, 10144, 11095, 11260, 11648, 12680, 14560, 14638, 15764, 16484, 16640, 17752, 18016, 19705, 20288, 20605, 22190, 22520, 23296, 25360, 28847, 29120, 29276, 31528, 32968, 35504, 36032, 36595, 39410, 40576, 41210, 44380, 45040, 50720, 51233, 57694, 58240, 58552, 63056, 65936, 71008, 72064, 73190, 78820, 81152, 82420, 88760, 90080, 101440, 102466, 115388, 116480, 117104, 126112, 131872, 142016, 144128, 144235, 146380, 157640, 164840, 177520, 178471, 180160, 202880, 204932, 230776, 234208, 252224, 256165, 263744, 284032, 288470, 292760, 315280, 329680, 355040, 356942, 360320, 405760, 409864, 461552, 468416, 504448, 512330, 527488, 568064, 576940, 585520, 630560, 659360, 710080, 713884, 720640, 819728, 892355, 923104, 936832, 1008896, 1024660, 1054976, 1153880, 1171040, 1249297, 1261120, 1318720, 1420160, 1427768, 1639456, 1784710, 1846208, 1873664, 2049320, 2307760, 2320123, 2342080, 2498594, 2522240, 2637440, 2840320, 2855536, 3278912, 3569420, 3692416, 4098640, 4615520, 4640246, 4684160, 4997188, 5044480, 5274880, 5711072, 6246485, 6557824, 7138840, 7384832, 8197280, 9231040, 9280492, 9368320, 9994376, 11422144, 11600615, 12492970, 13115648, 14277680, 16240861, 16394560, 18462080, 18560984, 19988752, 22844288, 23201230, 24985940, 28555360, 32481722, 32789120, 36924160, 37121968, 39977504, 45688576, 46402460, 49971880, 57110720, 64963444, 65578240, 74243936, 79955008, 81204305, 92804920, 99943760, 114221440, 129926888, 148487872, 159910016, 162408610, 185609840, 199887520, 228442880, 259853776, 296975744, 319820032, 324817220, 371219680, 399775040, 519707552, 593951488, 649634440, 742439360, 799550080, 1039415104, 1299268880, 1484878720, 1599100160, 2078830208, 2598537760, 2969757440, 4157660416, 5197075520, 10394151040, 20788302080]

約数ペア:

[(1, 20788302080), (2, 10394151040), (4, 5197075520), (5, 4157660416), (7, 2969757440), (8, 2598537760), (10, 2078830208), (13, 1599100160), (14, 1484878720), (16, 1299268880), (20, 1039415104), (26, 799550080), (28, 742439360), (32, 649634440), (35, 593951488), (40, 519707552), (52, 399775040), (56, 371219680), (64, 324817220), (65, 319820032), (70, 296975744), (80, 259853776), (91, 228442880), (104, 199887520), (112, 185609840), (128, 162408610), (130, 159910016), (140, 148487872), (160, 129926888), (182, 114221440), (208, 99943760), (224, 92804920), (256, 81204305), (260, 79955008), (280, 74243936), (317, 65578240), (320, 64963444), (364, 57110720), (416, 49971880), (448, 46402460), (455, 45688576), (520, 39977504), (560, 37121968), (563, 36924160), (634, 32789120), (640, 32481722), (728, 28555360), (832, 24985940), (896, 23201230), (910, 22844288), (1040, 19988752), (1120, 18560984), (1126, 18462080), (1268, 16394560), (1280, 16240861), (1456, 14277680), (1585, 13115648), (1664, 12492970), (1792, 11600615), (1820, 11422144), (2080, 9994376), (2219, 9368320), (2240, 9280492), (2252, 9231040), (2536, 8197280), (2815, 7384832), (2912, 7138840), (3170, 6557824), (3328, 6246485), (3640, 5711072), (3941, 5274880), (4121, 5044480), (4160, 4997188), (4438, 4684160), (4480, 4640246), (4504, 4615520), (5072, 4098640), (5630, 3692416), (5824, 3569420), (6340, 3278912), (7280, 2855536), (7319, 2840320), (7882, 2637440), (8242, 2522240), (8320, 2498594), (8876, 2342080), (8960, 2320123), (9008, 2307760), (10144, 2049320), (11095, 1873664), (11260, 1846208), (11648, 1784710), (12680, 1639456), (14560, 1427768), (14638, 1420160), (15764, 1318720), (16484, 1261120), (16640, 1249297), (17752, 1171040), (18016, 1153880), (19705, 1054976), (20288, 1024660), (20605, 1008896), (22190, 936832), (22520, 923104), (23296, 892355), (25360, 819728), (28847, 720640), (29120, 713884), (29276, 710080), (31528, 659360), (32968, 630560), (35504, 585520), (36032, 576940), (36595, 568064), (39410, 527488), (40576, 512330), (41210, 504448), (44380, 468416), (45040, 461552), (50720, 409864), (51233, 405760), (57694, 360320), (58240, 356942), (58552, 355040), (63056, 329680), (65936, 315280), (71008, 292760), (72064, 288470), (73190, 284032), (78820, 263744), (81152, 256165), (82420, 252224), (88760, 234208), (90080, 230776), (101440, 204932), (102466, 202880), (115388, 180160), (116480, 178471), (117104, 177520), (126112, 164840), (131872, 157640), (142016, 146380), (144128, 144235)]