20405758464

素因数分解:

$2^9\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5407}}^1$

素因数の和:5457

約数の個数: 400

約数和(自身を含む): 74974867968

約数和(自身を除く): 54569109504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 64, 72, 78, 81, 84, 91, 96, 104, 108, 112, 117, 126, 128, 144, 156, 162, 168, 182, 189, 192, 208, 216, 224, 234, 252, 256, 273, 288, 312, 324, 336, 351, 364, 378, 384, 416, 432, 448, 468, 504, 512, 546, 567, 576, 624, 648, 672, 702, 728, 756, 768, 819, 832, 864, 896, 936, 1008, 1053, 1092, 1134, 1152, 1248, 1296, 1344, 1404, 1456, 1512, 1536, 1638, 1664, 1728, 1792, 1872, 2016, 2106, 2184, 2268, 2304, 2457, 2496, 2592, 2688, 2808, 2912, 3024, 3276, 3328, 3456, 3584, 3744, 4032, 4212, 4368, 4536, 4608, 4914, 4992, 5184, 5376, 5407, 5616, 5824, 6048, 6552, 6656, 6912, 7371, 7488, 8064, 8424, 8736, 9072, 9828, 9984, 10368, 10752, 10814, 11232, 11648, 12096, 13104, 13824, 14742, 14976, 16128, 16221, 16848, 17472, 18144, 19656, 19968, 20736, 21628, 22464, 23296, 24192, 26208, 29484, 29952, 32256, 32442, 33696, 34944, 36288, 37849, 39312, 41472, 43256, 44928, 46592, 48384, 48663, 52416, 58968, 59904, 64884, 67392, 69888, 70291, 72576, 75698, 78624, 86512, 89856, 96768, 97326, 104832, 113547, 117936, 129768, 134784, 139776, 140582, 145152, 145989, 151396, 157248, 173024, 179712, 194652, 209664, 210873, 227094, 235872, 259536, 269568, 281164, 290304, 291978, 302792, 314496, 340641, 346048, 389304, 419328, 421746, 437967, 454188, 471744, 492037, 519072, 539136, 562328, 583956, 605584, 628992, 632619, 681282, 692096, 778608, 843492, 875934, 908376, 943488, 984074, 1021923, 1038144, 1124656, 1167912, 1211168, 1257984, 1265238, 1362564, 1384192, 1476111, 1557216, 1686984, 1751868, 1816752, 1886976, 1897857, 1968148, 2043846, 2076288, 2249312, 2335824, 2422336, 2530476, 2725128, 2768384, 2952222, 3065769, 3114432, 3373968, 3503736, 3633504, 3773952, 3795714, 3936296, 4087692, 4152576, 4428333, 4498624, 4671648, 4844672, 5060952, 5450256, 5693571, 5904444, 6131538, 6228864, 6747936, 7007472, 7267008, 7591428, 7872592, 8175384, 8305152, 8856666, 8997248, 9343296, 9689344, 10121904, 10900512, 11387142, 11808888, 12263076, 12457728, 13284999, 13495872, 14014944, 14534016, 15182856, 15745184, 16350768, 17713332, 17994496, 18686592, 19378688, 20243808, 21801024, 22774284, 23617776, 24526152, 24915456, 26569998, 26991744, 28029888, 29068032, 30365712, 31490368, 32701536, 35426664, 35988992, 37373184, 39854997, 40487616, 43602048, 45548568, 47235552, 49052304, 53139996, 53983488, 56059776, 58136064, 60731424, 62980736, 65403072, 70853328, 74746368, 79709994, 80975232, 87204096, 91097136, 94471104, 98104608, 106279992, 107966976, 112119552, 121462848, 125961472, 130806144, 141706656, 159419988, 161950464, 174408192, 182194272, 188942208, 196209216, 212559984, 224239104, 242925696, 251922944, 261612288, 283413312, 318839976, 323900928, 364388544, 377884416, 392418432, 425119968, 485851392, 523224576, 566826624, 637679952, 728777088, 755768832, 784836864, 850239936, 971702784, 1133653248, 1275359904, 1457554176, 1569673728, 1700479872, 2267306496, 2550719808, 2915108352, 3400959744, 5101439616, 6801919488, 10202879232, 20405758464]

約数ペア:

[(1, 20405758464), (2, 10202879232), (3, 6801919488), (4, 5101439616), (6, 3400959744), (7, 2915108352), (8, 2550719808), (9, 2267306496), (12, 1700479872), (13, 1569673728), (14, 1457554176), (16, 1275359904), (18, 1133653248), (21, 971702784), (24, 850239936), (26, 784836864), (27, 755768832), (28, 728777088), (32, 637679952), (36, 566826624), (39, 523224576), (42, 485851392), (48, 425119968), (52, 392418432), (54, 377884416), (56, 364388544), (63, 323900928), (64, 318839976), (72, 283413312), (78, 261612288), (81, 251922944), (84, 242925696), (91, 224239104), (96, 212559984), (104, 196209216), (108, 188942208), (112, 182194272), (117, 174408192), (126, 161950464), (128, 159419988), (144, 141706656), (156, 130806144), (162, 125961472), (168, 121462848), (182, 112119552), (189, 107966976), (192, 106279992), (208, 98104608), (216, 94471104), (224, 91097136), (234, 87204096), (252, 80975232), (256, 79709994), (273, 74746368), (288, 70853328), (312, 65403072), (324, 62980736), (336, 60731424), (351, 58136064), (364, 56059776), (378, 53983488), (384, 53139996), (416, 49052304), (432, 47235552), (448, 45548568), (468, 43602048), (504, 40487616), (512, 39854997), (546, 37373184), (567, 35988992), (576, 35426664), (624, 32701536), (648, 31490368), (672, 30365712), (702, 29068032), (728, 28029888), (756, 26991744), (768, 26569998), (819, 24915456), (832, 24526152), (864, 23617776), (896, 22774284), (936, 21801024), (1008, 20243808), (1053, 19378688), (1092, 18686592), (1134, 17994496), (1152, 17713332), (1248, 16350768), (1296, 15745184), (1344, 15182856), (1404, 14534016), (1456, 14014944), (1512, 13495872), (1536, 13284999), (1638, 12457728), (1664, 12263076), (1728, 11808888), (1792, 11387142), (1872, 10900512), (2016, 10121904), (2106, 9689344), (2184, 9343296), (2268, 8997248), (2304, 8856666), (2457, 8305152), (2496, 8175384), (2592, 7872592), (2688, 7591428), (2808, 7267008), (2912, 7007472), (3024, 6747936), (3276, 6228864), (3328, 6131538), (3456, 5904444), (3584, 5693571), (3744, 5450256), (4032, 5060952), (4212, 4844672), (4368, 4671648), (4536, 4498624), (4608, 4428333), (4914, 4152576), (4992, 4087692), (5184, 3936296), (5376, 3795714), (5407, 3773952), (5616, 3633504), (5824, 3503736), (6048, 3373968), (6552, 3114432), (6656, 3065769), (6912, 2952222), (7371, 2768384), (7488, 2725128), (8064, 2530476), (8424, 2422336), (8736, 2335824), (9072, 2249312), (9828, 2076288), (9984, 2043846), (10368, 1968148), (10752, 1897857), (10814, 1886976), (11232, 1816752), (11648, 1751868), (12096, 1686984), (13104, 1557216), (13824, 1476111), (14742, 1384192), (14976, 1362564), (16128, 1265238), (16221, 1257984), (16848, 1211168), (17472, 1167912), (18144, 1124656), (19656, 1038144), (19968, 1021923), (20736, 984074), (21628, 943488), (22464, 908376), (23296, 875934), (24192, 843492), (26208, 778608), (29484, 692096), (29952, 681282), (32256, 632619), (32442, 628992), (33696, 605584), (34944, 583956), (36288, 562328), (37849, 539136), (39312, 519072), (41472, 492037), (43256, 471744), (44928, 454188), (46592, 437967), (48384, 421746), (48663, 419328), (52416, 389304), (58968, 346048), (59904, 340641), (64884, 314496), (67392, 302792), (69888, 291978), (70291, 290304), (72576, 281164), (75698, 269568), (78624, 259536), (86512, 235872), (89856, 227094), (96768, 210873), (97326, 209664), (104832, 194652), (113547, 179712), (117936, 173024), (129768, 157248), (134784, 151396), (139776, 145989), (140582, 145152)]