20497142016

素因数分解:

$2^8\times 3^4\times {\mathrm{13}}^2\times {\mathrm{5849}}^1$

素因数の和:5903

約数の個数: 270

約数和(自身を含む): 66193177050

約数和(自身を除く): 45696035034

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 169, 192, 208, 216, 234, 256, 288, 312, 324, 338, 351, 384, 416, 432, 468, 507, 576, 624, 648, 676, 702, 768, 832, 864, 936, 1014, 1053, 1152, 1248, 1296, 1352, 1404, 1521, 1664, 1728, 1872, 2028, 2106, 2304, 2496, 2592, 2704, 2808, 3042, 3328, 3456, 3744, 4056, 4212, 4563, 4992, 5184, 5408, 5616, 5849, 6084, 6912, 7488, 8112, 8424, 9126, 9984, 10368, 10816, 11232, 11698, 12168, 13689, 14976, 16224, 16848, 17547, 18252, 20736, 21632, 22464, 23396, 24336, 27378, 29952, 32448, 33696, 35094, 36504, 43264, 44928, 46792, 48672, 52641, 54756, 64896, 67392, 70188, 73008, 76037, 89856, 93584, 97344, 105282, 109512, 129792, 134784, 140376, 146016, 152074, 157923, 187168, 194688, 210564, 219024, 228111, 269568, 280752, 292032, 304148, 315846, 374336, 389376, 421128, 438048, 456222, 473769, 561504, 584064, 608296, 631692, 684333, 748672, 842256, 876096, 912444, 947538, 988481, 1123008, 1168128, 1216592, 1263384, 1368666, 1497344, 1684512, 1752192, 1824888, 1895076, 1976962, 2052999, 2246016, 2433184, 2526768, 2737332, 2965443, 3369024, 3504384, 3649776, 3790152, 3953924, 4105998, 4492032, 4866368, 5053536, 5474664, 5930886, 6158997, 6738048, 7299552, 7580304, 7907848, 8211996, 8896329, 9732736, 10107072, 10949328, 11861772, 12317994, 13476096, 14599104, 15160608, 15815696, 16423992, 17792658, 19465472, 20214144, 21898656, 23723544, 24635988, 26688987, 29198208, 30321216, 31631392, 32847984, 35585316, 40428288, 43797312, 47447088, 49271976, 53377974, 58396416, 60642432, 63262784, 65695968, 71170632, 80066961, 87594624, 94894176, 98543952, 106755948, 121284864, 126525568, 131391936, 142341264, 160133922, 175189248, 189788352, 197087904, 213511896, 253051136, 262783872, 284682528, 320267844, 379576704, 394175808, 427023792, 525567744, 569365056, 640535688, 759153408, 788351616, 854047584, 1138730112, 1281071376, 1576703232, 1708095168, 2277460224, 2562142752, 3416190336, 5124285504, 6832380672, 10248571008, 20497142016]

約数ペア:

[(1, 20497142016), (2, 10248571008), (3, 6832380672), (4, 5124285504), (6, 3416190336), (8, 2562142752), (9, 2277460224), (12, 1708095168), (13, 1576703232), (16, 1281071376), (18, 1138730112), (24, 854047584), (26, 788351616), (27, 759153408), (32, 640535688), (36, 569365056), (39, 525567744), (48, 427023792), (52, 394175808), (54, 379576704), (64, 320267844), (72, 284682528), (78, 262783872), (81, 253051136), (96, 213511896), (104, 197087904), (108, 189788352), (117, 175189248), (128, 160133922), (144, 142341264), (156, 131391936), (162, 126525568), (169, 121284864), (192, 106755948), (208, 98543952), (216, 94894176), (234, 87594624), (256, 80066961), (288, 71170632), (312, 65695968), (324, 63262784), (338, 60642432), (351, 58396416), (384, 53377974), (416, 49271976), (432, 47447088), (468, 43797312), (507, 40428288), (576, 35585316), (624, 32847984), (648, 31631392), (676, 30321216), (702, 29198208), (768, 26688987), (832, 24635988), (864, 23723544), (936, 21898656), (1014, 20214144), (1053, 19465472), (1152, 17792658), (1248, 16423992), (1296, 15815696), (1352, 15160608), (1404, 14599104), (1521, 13476096), (1664, 12317994), (1728, 11861772), (1872, 10949328), (2028, 10107072), (2106, 9732736), (2304, 8896329), (2496, 8211996), (2592, 7907848), (2704, 7580304), (2808, 7299552), (3042, 6738048), (3328, 6158997), (3456, 5930886), (3744, 5474664), (4056, 5053536), (4212, 4866368), (4563, 4492032), (4992, 4105998), (5184, 3953924), (5408, 3790152), (5616, 3649776), (5849, 3504384), (6084, 3369024), (6912, 2965443), (7488, 2737332), (8112, 2526768), (8424, 2433184), (9126, 2246016), (9984, 2052999), (10368, 1976962), (10816, 1895076), (11232, 1824888), (11698, 1752192), (12168, 1684512), (13689, 1497344), (14976, 1368666), (16224, 1263384), (16848, 1216592), (17547, 1168128), (18252, 1123008), (20736, 988481), (21632, 947538), (22464, 912444), (23396, 876096), (24336, 842256), (27378, 748672), (29952, 684333), (32448, 631692), (33696, 608296), (35094, 584064), (36504, 561504), (43264, 473769), (44928, 456222), (46792, 438048), (48672, 421128), (52641, 389376), (54756, 374336), (64896, 315846), (67392, 304148), (70188, 292032), (73008, 280752), (76037, 269568), (89856, 228111), (93584, 219024), (97344, 210564), (105282, 194688), (109512, 187168), (129792, 157923), (134784, 152074), (140376, 146016)]