20491406208

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{195469}}^1$

素因数の和:195509

約数の個数: 192

約数和(自身を含む): 72574101600

約数和(自身を除く): 52082695392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 546, 576, 624, 672, 728, 819, 832, 896, 936, 1008, 1092, 1152, 1248, 1344, 1456, 1638, 1664, 1872, 2016, 2184, 2496, 2688, 2912, 3276, 3744, 4032, 4368, 4992, 5824, 6552, 7488, 8064, 8736, 11648, 13104, 14976, 17472, 26208, 34944, 52416, 104832, 195469, 390938, 586407, 781876, 1172814, 1368283, 1563752, 1759221, 2345628, 2541097, 2736566, 3127504, 3518442, 4104849, 4691256, 5082194, 5473132, 6255008, 7036884, 7623291, 8209698, 9382512, 10164388, 10946264, 12314547, 12510016, 14073768, 15246582, 16419396, 17787679, 18765024, 20328776, 21892528, 22869873, 24629094, 25020032, 28147536, 30493164, 32838792, 35575358, 37530048, 40657552, 43785056, 45739746, 49258188, 53363037, 56295072, 60986328, 65677584, 71150716, 75060096, 81315104, 87570112, 91479492, 98516376, 106726074, 112590144, 121972656, 131355168, 142301432, 160089111, 162630208, 175140224, 182958984, 197032752, 213452148, 225180288, 243945312, 262710336, 284602864, 320178222, 325260416, 365917968, 394065504, 426904296, 487890624, 525420672, 569205728, 640356444, 731835936, 788131008, 853808592, 975781248, 1138411456, 1280712888, 1463671872, 1576262016, 1707617184, 2276822912, 2561425776, 2927343744, 3415234368, 5122851552, 6830468736, 10245703104, 20491406208]

約数ペア:

[(1, 20491406208), (2, 10245703104), (3, 6830468736), (4, 5122851552), (6, 3415234368), (7, 2927343744), (8, 2561425776), (9, 2276822912), (12, 1707617184), (13, 1576262016), (14, 1463671872), (16, 1280712888), (18, 1138411456), (21, 975781248), (24, 853808592), (26, 788131008), (28, 731835936), (32, 640356444), (36, 569205728), (39, 525420672), (42, 487890624), (48, 426904296), (52, 394065504), (56, 365917968), (63, 325260416), (64, 320178222), (72, 284602864), (78, 262710336), (84, 243945312), (91, 225180288), (96, 213452148), (104, 197032752), (112, 182958984), (117, 175140224), (126, 162630208), (128, 160089111), (144, 142301432), (156, 131355168), (168, 121972656), (182, 112590144), (192, 106726074), (208, 98516376), (224, 91479492), (234, 87570112), (252, 81315104), (273, 75060096), (288, 71150716), (312, 65677584), (336, 60986328), (364, 56295072), (384, 53363037), (416, 49258188), (448, 45739746), (468, 43785056), (504, 40657552), (546, 37530048), (576, 35575358), (624, 32838792), (672, 30493164), (728, 28147536), (819, 25020032), (832, 24629094), (896, 22869873), (936, 21892528), (1008, 20328776), (1092, 18765024), (1152, 17787679), (1248, 16419396), (1344, 15246582), (1456, 14073768), (1638, 12510016), (1664, 12314547), (1872, 10946264), (2016, 10164388), (2184, 9382512), (2496, 8209698), (2688, 7623291), (2912, 7036884), (3276, 6255008), (3744, 5473132), (4032, 5082194), (4368, 4691256), (4992, 4104849), (5824, 3518442), (6552, 3127504), (7488, 2736566), (8064, 2541097), (8736, 2345628), (11648, 1759221), (13104, 1563752), (14976, 1368283), (17472, 1172814), (26208, 781876), (34944, 586407), (52416, 390938), (104832, 195469)]