20781160704

素因数分解:

$2^8\times 3^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{769}}^1$

素因数の和:1145

約数の個数: 216

約数和(自身を含む): 61810989240

約数和(自身を除く): 41029828536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 256, 288, 296, 317, 333, 384, 444, 576, 592, 634, 666, 768, 769, 888, 951, 1152, 1184, 1268, 1332, 1538, 1776, 1902, 2304, 2307, 2368, 2536, 2664, 2853, 3076, 3552, 3804, 4614, 4736, 5072, 5328, 5706, 6152, 6921, 7104, 7608, 9228, 9472, 10144, 10656, 11412, 11729, 12304, 13842, 14208, 15216, 18456, 20288, 21312, 22824, 23458, 24608, 27684, 28416, 28453, 30432, 35187, 36912, 40576, 42624, 45648, 46916, 49216, 55368, 56906, 60864, 70374, 73824, 81152, 85248, 85359, 91296, 93832, 98432, 105561, 110736, 113812, 121728, 140748, 147648, 170718, 182592, 187664, 196864, 211122, 221472, 227624, 243456, 243773, 256077, 281496, 295296, 341436, 365184, 375328, 422244, 442944, 455248, 487546, 512154, 562992, 590592, 682872, 730368, 731319, 750656, 844488, 885888, 910496, 975092, 1024308, 1125984, 1365744, 1462638, 1501312, 1688976, 1771776, 1820992, 1950184, 2048616, 2193957, 2251968, 2731488, 2925276, 3002624, 3377952, 3641984, 3900368, 4097232, 4387914, 4503936, 5462976, 5850552, 6755904, 7283968, 7800736, 8194464, 8775828, 9007872, 9019601, 10925952, 11701104, 13511808, 15601472, 16388928, 17551656, 18039202, 21851904, 23402208, 27023616, 27058803, 31202944, 32777856, 35103312, 36078404, 46804416, 54117606, 62405888, 65555712, 70206624, 72156808, 81176409, 93608832, 108235212, 140413248, 144313616, 162352818, 187217664, 216470424, 280826496, 288627232, 324705636, 432940848, 561652992, 577254464, 649411272, 865881696, 1154508928, 1298822544, 1731763392, 2309017856, 2597645088, 3463526784, 5195290176, 6927053568, 10390580352, 20781160704]

約数ペア:

[(1, 20781160704), (2, 10390580352), (3, 6927053568), (4, 5195290176), (6, 3463526784), (8, 2597645088), (9, 2309017856), (12, 1731763392), (16, 1298822544), (18, 1154508928), (24, 865881696), (32, 649411272), (36, 577254464), (37, 561652992), (48, 432940848), (64, 324705636), (72, 288627232), (74, 280826496), (96, 216470424), (111, 187217664), (128, 162352818), (144, 144313616), (148, 140413248), (192, 108235212), (222, 93608832), (256, 81176409), (288, 72156808), (296, 70206624), (317, 65555712), (333, 62405888), (384, 54117606), (444, 46804416), (576, 36078404), (592, 35103312), (634, 32777856), (666, 31202944), (768, 27058803), (769, 27023616), (888, 23402208), (951, 21851904), (1152, 18039202), (1184, 17551656), (1268, 16388928), (1332, 15601472), (1538, 13511808), (1776, 11701104), (1902, 10925952), (2304, 9019601), (2307, 9007872), (2368, 8775828), (2536, 8194464), (2664, 7800736), (2853, 7283968), (3076, 6755904), (3552, 5850552), (3804, 5462976), (4614, 4503936), (4736, 4387914), (5072, 4097232), (5328, 3900368), (5706, 3641984), (6152, 3377952), (6921, 3002624), (7104, 2925276), (7608, 2731488), (9228, 2251968), (9472, 2193957), (10144, 2048616), (10656, 1950184), (11412, 1820992), (11729, 1771776), (12304, 1688976), (13842, 1501312), (14208, 1462638), (15216, 1365744), (18456, 1125984), (20288, 1024308), (21312, 975092), (22824, 910496), (23458, 885888), (24608, 844488), (27684, 750656), (28416, 731319), (28453, 730368), (30432, 682872), (35187, 590592), (36912, 562992), (40576, 512154), (42624, 487546), (45648, 455248), (46916, 442944), (49216, 422244), (55368, 375328), (56906, 365184), (60864, 341436), (70374, 295296), (73824, 281496), (81152, 256077), (85248, 243773), (85359, 243456), (91296, 227624), (93832, 221472), (98432, 211122), (105561, 196864), (110736, 187664), (113812, 182592), (121728, 170718), (140748, 147648)]