20120457984

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4831}}^1$

素因数の和:4907

約数の個数: 288

約数和(自身を含む): 64000419840

約数和(自身を除く): 43879961856

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 29, 32, 33, 34, 44, 48, 51, 58, 64, 66, 68, 87, 88, 96, 102, 116, 128, 132, 136, 174, 176, 187, 192, 204, 232, 256, 264, 272, 319, 348, 352, 374, 384, 408, 464, 493, 528, 544, 561, 638, 696, 704, 748, 768, 816, 928, 957, 986, 1056, 1088, 1122, 1276, 1392, 1408, 1479, 1496, 1632, 1856, 1914, 1972, 2112, 2176, 2244, 2552, 2784, 2816, 2958, 2992, 3264, 3712, 3828, 3944, 4224, 4352, 4488, 4831, 5104, 5423, 5568, 5916, 5984, 6528, 7424, 7656, 7888, 8448, 8976, 9662, 10208, 10846, 11136, 11832, 11968, 13056, 14493, 15312, 15776, 16269, 17952, 19324, 20416, 21692, 22272, 23664, 23936, 28986, 30624, 31552, 32538, 35904, 38648, 40832, 43384, 47328, 47872, 53141, 57972, 61248, 63104, 65076, 71808, 77296, 81664, 82127, 86768, 94656, 106282, 115944, 122496, 126208, 130152, 140099, 143616, 154592, 159423, 164254, 173536, 189312, 212564, 231888, 244992, 246381, 260304, 280198, 309184, 318846, 328508, 347072, 378624, 420297, 425128, 463776, 492762, 520608, 560396, 618368, 637692, 657016, 694144, 840594, 850256, 903397, 927552, 985524, 1041216, 1120792, 1236736, 1275384, 1314032, 1388288, 1541089, 1681188, 1700512, 1806794, 1855104, 1971048, 2082432, 2241584, 2381683, 2550768, 2628064, 2710191, 3082178, 3362376, 3401024, 3613588, 3710208, 3942096, 4164864, 4483168, 4623267, 4763366, 5101536, 5256128, 5420382, 6164356, 6724752, 6802048, 7145049, 7227176, 7884192, 8966336, 9246534, 9526732, 10203072, 10512256, 10840764, 12328712, 13449504, 13604096, 14290098, 14454352, 15768384, 17932672, 18493068, 19053464, 20406144, 21024512, 21681528, 24657424, 26198513, 26899008, 28580196, 28908704, 31536768, 35865344, 36986136, 38106928, 40812288, 43363056, 49314848, 52397026, 53798016, 57160392, 57817408, 63073536, 73972272, 76213856, 78595539, 86726112, 98629696, 104794052, 107596032, 114320784, 115634816, 147944544, 152427712, 157191078, 173452224, 197259392, 209588104, 228641568, 231269632, 295889088, 304855424, 314382156, 346904448, 394518784, 419176208, 457283136, 591778176, 609710848, 628764312, 693808896, 838352416, 914566272, 1183556352, 1257528624, 1676704832, 1829132544, 2515057248, 3353409664, 5030114496, 6706819328, 10060228992, 20120457984]

約数ペア:

[(1, 20120457984), (2, 10060228992), (3, 6706819328), (4, 5030114496), (6, 3353409664), (8, 2515057248), (11, 1829132544), (12, 1676704832), (16, 1257528624), (17, 1183556352), (22, 914566272), (24, 838352416), (29, 693808896), (32, 628764312), (33, 609710848), (34, 591778176), (44, 457283136), (48, 419176208), (51, 394518784), (58, 346904448), (64, 314382156), (66, 304855424), (68, 295889088), (87, 231269632), (88, 228641568), (96, 209588104), (102, 197259392), (116, 173452224), (128, 157191078), (132, 152427712), (136, 147944544), (174, 115634816), (176, 114320784), (187, 107596032), (192, 104794052), (204, 98629696), (232, 86726112), (256, 78595539), (264, 76213856), (272, 73972272), (319, 63073536), (348, 57817408), (352, 57160392), (374, 53798016), (384, 52397026), (408, 49314848), (464, 43363056), (493, 40812288), (528, 38106928), (544, 36986136), (561, 35865344), (638, 31536768), (696, 28908704), (704, 28580196), (748, 26899008), (768, 26198513), (816, 24657424), (928, 21681528), (957, 21024512), (986, 20406144), (1056, 19053464), (1088, 18493068), (1122, 17932672), (1276, 15768384), (1392, 14454352), (1408, 14290098), (1479, 13604096), (1496, 13449504), (1632, 12328712), (1856, 10840764), (1914, 10512256), (1972, 10203072), (2112, 9526732), (2176, 9246534), (2244, 8966336), (2552, 7884192), (2784, 7227176), (2816, 7145049), (2958, 6802048), (2992, 6724752), (3264, 6164356), (3712, 5420382), (3828, 5256128), (3944, 5101536), (4224, 4763366), (4352, 4623267), (4488, 4483168), (4831, 4164864), (5104, 3942096), (5423, 3710208), (5568, 3613588), (5916, 3401024), (5984, 3362376), (6528, 3082178), (7424, 2710191), (7656, 2628064), (7888, 2550768), (8448, 2381683), (8976, 2241584), (9662, 2082432), (10208, 1971048), (10846, 1855104), (11136, 1806794), (11832, 1700512), (11968, 1681188), (13056, 1541089), (14493, 1388288), (15312, 1314032), (15776, 1275384), (16269, 1236736), (17952, 1120792), (19324, 1041216), (20416, 985524), (21692, 927552), (22272, 903397), (23664, 850256), (23936, 840594), (28986, 694144), (30624, 657016), (31552, 637692), (32538, 618368), (35904, 560396), (38648, 520608), (40832, 492762), (43384, 463776), (47328, 425128), (47872, 420297), (53141, 378624), (57972, 347072), (61248, 328508), (63104, 318846), (65076, 309184), (71808, 280198), (77296, 260304), (81664, 246381), (82127, 244992), (86768, 231888), (94656, 212564), (106282, 189312), (115944, 173536), (122496, 164254), (126208, 159423), (130152, 154592), (140099, 143616)]