20999701968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:662

約数の個数: 320

約数和(自身を含む): 67043328000

約数和(自身を除く): 46043626032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 59, 76, 84, 112, 114, 118, 127, 133, 152, 168, 177, 228, 236, 254, 266, 304, 336, 354, 381, 399, 413, 439, 456, 472, 508, 532, 708, 762, 798, 826, 878, 889, 912, 944, 1016, 1064, 1121, 1239, 1317, 1416, 1524, 1596, 1652, 1756, 1778, 2032, 2128, 2242, 2413, 2478, 2634, 2667, 2832, 3048, 3073, 3192, 3304, 3363, 3512, 3556, 4484, 4826, 4956, 5268, 5334, 6096, 6146, 6384, 6608, 6726, 7024, 7112, 7239, 7493, 7847, 8341, 8968, 9219, 9652, 9912, 10536, 10668, 12292, 13452, 14224, 14478, 14986, 15694, 16682, 16891, 17936, 18438, 19304, 19824, 21072, 21336, 22479, 23541, 24584, 25023, 25901, 26904, 28956, 29972, 31388, 33364, 33782, 36876, 38608, 42672, 44958, 47082, 49168, 50046, 50673, 51802, 52451, 53808, 55753, 57912, 58387, 59944, 62776, 66728, 67564, 73752, 77703, 89916, 94164, 100092, 101346, 103604, 104902, 111506, 115824, 116774, 119888, 125552, 133456, 135128, 142367, 147504, 155406, 157353, 167259, 175161, 179832, 181307, 188328, 200184, 202692, 207208, 209804, 223012, 233548, 270256, 284734, 310812, 314706, 334518, 350322, 359664, 362614, 376656, 390271, 400368, 405384, 414416, 419608, 427101, 446024, 467096, 492119, 543921, 569468, 621624, 629412, 669036, 700644, 725228, 780542, 810768, 839216, 854202, 892048, 934192, 984238, 996569, 1059307, 1087842, 1138936, 1170813, 1243248, 1258824, 1338072, 1401288, 1450456, 1476357, 1561084, 1708404, 1968476, 1993138, 2118614, 2175684, 2277872, 2341626, 2517648, 2676144, 2802576, 2900912, 2952714, 2989707, 3122168, 3177921, 3289427, 3416808, 3444833, 3936952, 3986276, 4237228, 4351368, 4683252, 5905428, 5979414, 6244336, 6355842, 6578854, 6833616, 6889666, 7415149, 7873904, 7972552, 8474456, 8702736, 9366504, 9868281, 10334499, 11810856, 11958828, 12711684, 13157708, 13779332, 14830298, 15945104, 16948912, 18733008, 19736562, 20668998, 22245447, 23025989, 23621712, 23917656, 25423368, 26315416, 27558664, 29660596, 39473124, 41337996, 44490894, 46051978, 47835312, 50846736, 52630832, 55117328, 59321192, 62499113, 69077967, 78946248, 82675992, 88981788, 92103956, 118642384, 124998226, 138155934, 157892496, 165351984, 177963576, 184207912, 187497339, 249996452, 276311868, 355927152, 368415824, 374994678, 437493791, 499992904, 552623736, 749989356, 874987582, 999985808, 1105247472, 1312481373, 1499978712, 1749975164, 2624962746, 2999957424, 3499950328, 5249925492, 6999900656, 10499850984, 20999701968]

約数ペア:

[(1, 20999701968), (2, 10499850984), (3, 6999900656), (4, 5249925492), (6, 3499950328), (7, 2999957424), (8, 2624962746), (12, 1749975164), (14, 1499978712), (16, 1312481373), (19, 1105247472), (21, 999985808), (24, 874987582), (28, 749989356), (38, 552623736), (42, 499992904), (48, 437493791), (56, 374994678), (57, 368415824), (59, 355927152), (76, 276311868), (84, 249996452), (112, 187497339), (114, 184207912), (118, 177963576), (127, 165351984), (133, 157892496), (152, 138155934), (168, 124998226), (177, 118642384), (228, 92103956), (236, 88981788), (254, 82675992), (266, 78946248), (304, 69077967), (336, 62499113), (354, 59321192), (381, 55117328), (399, 52630832), (413, 50846736), (439, 47835312), (456, 46051978), (472, 44490894), (508, 41337996), (532, 39473124), (708, 29660596), (762, 27558664), (798, 26315416), (826, 25423368), (878, 23917656), (889, 23621712), (912, 23025989), (944, 22245447), (1016, 20668998), (1064, 19736562), (1121, 18733008), (1239, 16948912), (1317, 15945104), (1416, 14830298), (1524, 13779332), (1596, 13157708), (1652, 12711684), (1756, 11958828), (1778, 11810856), (2032, 10334499), (2128, 9868281), (2242, 9366504), (2413, 8702736), (2478, 8474456), (2634, 7972552), (2667, 7873904), (2832, 7415149), (3048, 6889666), (3073, 6833616), (3192, 6578854), (3304, 6355842), (3363, 6244336), (3512, 5979414), (3556, 5905428), (4484, 4683252), (4826, 4351368), (4956, 4237228), (5268, 3986276), (5334, 3936952), (6096, 3444833), (6146, 3416808), (6384, 3289427), (6608, 3177921), (6726, 3122168), (7024, 2989707), (7112, 2952714), (7239, 2900912), (7493, 2802576), (7847, 2676144), (8341, 2517648), (8968, 2341626), (9219, 2277872), (9652, 2175684), (9912, 2118614), (10536, 1993138), (10668, 1968476), (12292, 1708404), (13452, 1561084), (14224, 1476357), (14478, 1450456), (14986, 1401288), (15694, 1338072), (16682, 1258824), (16891, 1243248), (17936, 1170813), (18438, 1138936), (19304, 1087842), (19824, 1059307), (21072, 996569), (21336, 984238), (22479, 934192), (23541, 892048), (24584, 854202), (25023, 839216), (25901, 810768), (26904, 780542), (28956, 725228), (29972, 700644), (31388, 669036), (33364, 629412), (33782, 621624), (36876, 569468), (38608, 543921), (42672, 492119), (44958, 467096), (47082, 446024), (49168, 427101), (50046, 419608), (50673, 414416), (51802, 405384), (52451, 400368), (53808, 390271), (55753, 376656), (57912, 362614), (58387, 359664), (59944, 350322), (62776, 334518), (66728, 314706), (67564, 310812), (73752, 284734), (77703, 270256), (89916, 233548), (94164, 223012), (100092, 209804), (101346, 207208), (103604, 202692), (104902, 200184), (111506, 188328), (115824, 181307), (116774, 179832), (119888, 175161), (125552, 167259), (133456, 157353), (135128, 155406), (142367, 147504)]