20786578176

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 432

約数和(自身を含む): 69376172544

約数和(自身を除く): 48589594368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 137, 156, 167, 168, 169, 182, 192, 208, 224, 256, 273, 274, 312, 334, 336, 338, 364, 384, 411, 416, 448, 501, 507, 546, 548, 624, 668, 672, 676, 728, 768, 822, 832, 896, 959, 1002, 1014, 1092, 1096, 1169, 1183, 1248, 1336, 1344, 1352, 1456, 1644, 1664, 1781, 1792, 1918, 2004, 2028, 2171, 2184, 2192, 2338, 2366, 2496, 2672, 2688, 2704, 2877, 2912, 3288, 3328, 3507, 3549, 3562, 3836, 4008, 4056, 4342, 4368, 4384, 4676, 4732, 4992, 5343, 5344, 5376, 5408, 5754, 5824, 6513, 6576, 7014, 7098, 7124, 7672, 8016, 8112, 8684, 8736, 8768, 9352, 9464, 9984, 10686, 10688, 10816, 11508, 11648, 12467, 13026, 13152, 14028, 14196, 14248, 15197, 15344, 16032, 16224, 17368, 17472, 17536, 18704, 18928, 21372, 21376, 21632, 22879, 23016, 23153, 23296, 24934, 26052, 26304, 28056, 28223, 28392, 28496, 30394, 30688, 32064, 32448, 34736, 34944, 35072, 37401, 37408, 37856, 42744, 42752, 43264, 45591, 45758, 46032, 46306, 49868, 52104, 52608, 56112, 56446, 56784, 56992, 60788, 61376, 64128, 64896, 68637, 69459, 69472, 69888, 74802, 74816, 75712, 84669, 85488, 91182, 91516, 92064, 92612, 99736, 104208, 105216, 112224, 112892, 113568, 113984, 121576, 122752, 128256, 129792, 137274, 138918, 138944, 149604, 149632, 151424, 160153, 162071, 169338, 170976, 182364, 183032, 184128, 185224, 197561, 199472, 208416, 224448, 225784, 227136, 227968, 243152, 245504, 274548, 277836, 277888, 297427, 299208, 299264, 302848, 320306, 324142, 338676, 341952, 364728, 366064, 368256, 370448, 395122, 398944, 416832, 448896, 451568, 454272, 455936, 480459, 486213, 486304, 549096, 555672, 555776, 592683, 594854, 598416, 640612, 648284, 677352, 683904, 729456, 732128, 736512, 740896, 790244, 797888, 833664, 892281, 897792, 903136, 908544, 960918, 972426, 972608, 1098192, 1111344, 1185366, 1189708, 1196832, 1281224, 1296568, 1354704, 1367808, 1458912, 1464256, 1481792, 1580488, 1595776, 1667328, 1784562, 1806272, 1921836, 1944852, 1945216, 2081989, 2196384, 2222688, 2370732, 2379416, 2393664, 2562448, 2593136, 2709408, 2917824, 2928512, 2963584, 3160976, 3191552, 3569124, 3612544, 3843672, 3866551, 3889704, 3890432, 4163978, 4392768, 4445376, 4741464, 4758832, 4787328, 5124896, 5186272, 5418816, 5835648, 5857024, 5927168, 6245967, 6321952, 7138248, 7225088, 7687344, 7733102, 7779408, 8327956, 8785536, 8890752, 9482928, 9517664, 9574656, 10249792, 10372544, 10837632, 11599653, 11671296, 12491934, 12643904, 14276496, 15374688, 15466204, 15558816, 16655912, 17571072, 17781504, 18965856, 19035328, 20499584, 20745088, 21675264, 23199306, 24983868, 25287808, 27065857, 28552992, 30749376, 30932408, 31117632, 33311824, 37931712, 38070656, 40999168, 41490176, 46398612, 49967736, 50575616, 54131714, 57105984, 61498752, 61864816, 62235264, 66623648, 75863424, 76141312, 81197571, 92797224, 99935472, 108263428, 114211968, 122997504, 123729632, 124470528, 133247296, 151726848, 162395142, 185594448, 199870944, 216526856, 228423936, 247459264, 266494592, 324790284, 371188896, 399741888, 433053712, 494918528, 532989184, 649580568, 742377792, 799483776, 866107424, 989837056, 1299161136, 1484755584, 1598967552, 1732214848, 2598322272, 2969511168, 3464429696, 5196644544, 6928859392, 10393289088, 20786578176]

約数ペア:

[(1, 20786578176), (2, 10393289088), (3, 6928859392), (4, 5196644544), (6, 3464429696), (7, 2969511168), (8, 2598322272), (12, 1732214848), (13, 1598967552), (14, 1484755584), (16, 1299161136), (21, 989837056), (24, 866107424), (26, 799483776), (28, 742377792), (32, 649580568), (39, 532989184), (42, 494918528), (48, 433053712), (52, 399741888), (56, 371188896), (64, 324790284), (78, 266494592), (84, 247459264), (91, 228423936), (96, 216526856), (104, 199870944), (112, 185594448), (128, 162395142), (137, 151726848), (156, 133247296), (167, 124470528), (168, 123729632), (169, 122997504), (182, 114211968), (192, 108263428), (208, 99935472), (224, 92797224), (256, 81197571), (273, 76141312), (274, 75863424), (312, 66623648), (334, 62235264), (336, 61864816), (338, 61498752), (364, 57105984), (384, 54131714), (411, 50575616), (416, 49967736), (448, 46398612), (501, 41490176), (507, 40999168), (546, 38070656), (548, 37931712), (624, 33311824), (668, 31117632), (672, 30932408), (676, 30749376), (728, 28552992), (768, 27065857), (822, 25287808), (832, 24983868), (896, 23199306), (959, 21675264), (1002, 20745088), (1014, 20499584), (1092, 19035328), (1096, 18965856), (1169, 17781504), (1183, 17571072), (1248, 16655912), (1336, 15558816), (1344, 15466204), (1352, 15374688), (1456, 14276496), (1644, 12643904), (1664, 12491934), (1781, 11671296), (1792, 11599653), (1918, 10837632), (2004, 10372544), (2028, 10249792), (2171, 9574656), (2184, 9517664), (2192, 9482928), (2338, 8890752), (2366, 8785536), (2496, 8327956), (2672, 7779408), (2688, 7733102), (2704, 7687344), (2877, 7225088), (2912, 7138248), (3288, 6321952), (3328, 6245967), (3507, 5927168), (3549, 5857024), (3562, 5835648), (3836, 5418816), (4008, 5186272), (4056, 5124896), (4342, 4787328), (4368, 4758832), (4384, 4741464), (4676, 4445376), (4732, 4392768), (4992, 4163978), (5343, 3890432), (5344, 3889704), (5376, 3866551), (5408, 3843672), (5754, 3612544), (5824, 3569124), (6513, 3191552), (6576, 3160976), (7014, 2963584), (7098, 2928512), (7124, 2917824), (7672, 2709408), (8016, 2593136), (8112, 2562448), (8684, 2393664), (8736, 2379416), (8768, 2370732), (9352, 2222688), (9464, 2196384), (9984, 2081989), (10686, 1945216), (10688, 1944852), (10816, 1921836), (11508, 1806272), (11648, 1784562), (12467, 1667328), (13026, 1595776), (13152, 1580488), (14028, 1481792), (14196, 1464256), (14248, 1458912), (15197, 1367808), (15344, 1354704), (16032, 1296568), (16224, 1281224), (17368, 1196832), (17472, 1189708), (17536, 1185366), (18704, 1111344), (18928, 1098192), (21372, 972608), (21376, 972426), (21632, 960918), (22879, 908544), (23016, 903136), (23153, 897792), (23296, 892281), (24934, 833664), (26052, 797888), (26304, 790244), (28056, 740896), (28223, 736512), (28392, 732128), (28496, 729456), (30394, 683904), (30688, 677352), (32064, 648284), (32448, 640612), (34736, 598416), (34944, 594854), (35072, 592683), (37401, 555776), (37408, 555672), (37856, 549096), (42744, 486304), (42752, 486213), (43264, 480459), (45591, 455936), (45758, 454272), (46032, 451568), (46306, 448896), (49868, 416832), (52104, 398944), (52608, 395122), (56112, 370448), (56446, 368256), (56784, 366064), (56992, 364728), (60788, 341952), (61376, 338676), (64128, 324142), (64896, 320306), (68637, 302848), (69459, 299264), (69472, 299208), (69888, 297427), (74802, 277888), (74816, 277836), (75712, 274548), (84669, 245504), (85488, 243152), (91182, 227968), (91516, 227136), (92064, 225784), (92612, 224448), (99736, 208416), (104208, 199472), (105216, 197561), (112224, 185224), (112892, 184128), (113568, 183032), (113984, 182364), (121576, 170976), (122752, 169338), (128256, 162071), (129792, 160153), (137274, 151424), (138918, 149632), (138944, 149604)]