20570985792

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{3989}}^1$

素因数の和:5293

約数の個数: 168

約数和(自身を含む): 67455897600

約数和(自身を除く): 46884911808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1279, 1344, 2016, 2558, 3837, 3989, 4032, 5116, 7674, 7978, 8953, 10232, 11511, 11967, 15348, 15956, 17906, 20464, 23022, 23934, 26859, 27923, 30696, 31912, 35812, 35901, 40928, 46044, 47868, 53718, 55846, 61392, 63824, 71624, 71802, 80577, 81856, 83769, 92088, 95736, 107436, 111692, 122784, 127648, 143248, 143604, 161154, 167538, 184176, 191472, 214872, 223384, 245568, 251307, 255296, 286496, 287208, 322308, 335076, 368352, 382944, 429744, 446768, 502614, 572992, 574416, 644616, 670152, 736704, 765888, 859488, 893536, 1005228, 1148832, 1289232, 1340304, 1718976, 1787072, 2010456, 2297664, 2578464, 2680608, 4020912, 5101931, 5156928, 5361216, 8041824, 10203862, 15305793, 16083648, 20407724, 30611586, 35713517, 40815448, 45917379, 61223172, 71427034, 81630896, 91834758, 107140551, 122446344, 142854068, 163261792, 183669516, 214281102, 244892688, 285708136, 321421653, 326523584, 367339032, 428562204, 489785376, 571416272, 642843306, 734678064, 857124408, 979570752, 1142832544, 1285686612, 1469356128, 1714248816, 2285665088, 2571373224, 2938712256, 3428497632, 5142746448, 6856995264, 10285492896, 20570985792]

約数ペア:

[(1, 20570985792), (2, 10285492896), (3, 6856995264), (4, 5142746448), (6, 3428497632), (7, 2938712256), (8, 2571373224), (9, 2285665088), (12, 1714248816), (14, 1469356128), (16, 1285686612), (18, 1142832544), (21, 979570752), (24, 857124408), (28, 734678064), (32, 642843306), (36, 571416272), (42, 489785376), (48, 428562204), (56, 367339032), (63, 326523584), (64, 321421653), (72, 285708136), (84, 244892688), (96, 214281102), (112, 183669516), (126, 163261792), (144, 142854068), (168, 122446344), (192, 107140551), (224, 91834758), (252, 81630896), (288, 71427034), (336, 61223172), (448, 45917379), (504, 40815448), (576, 35713517), (672, 30611586), (1008, 20407724), (1279, 16083648), (1344, 15305793), (2016, 10203862), (2558, 8041824), (3837, 5361216), (3989, 5156928), (4032, 5101931), (5116, 4020912), (7674, 2680608), (7978, 2578464), (8953, 2297664), (10232, 2010456), (11511, 1787072), (11967, 1718976), (15348, 1340304), (15956, 1289232), (17906, 1148832), (20464, 1005228), (23022, 893536), (23934, 859488), (26859, 765888), (27923, 736704), (30696, 670152), (31912, 644616), (35812, 574416), (35901, 572992), (40928, 502614), (46044, 446768), (47868, 429744), (53718, 382944), (55846, 368352), (61392, 335076), (63824, 322308), (71624, 287208), (71802, 286496), (80577, 255296), (81856, 251307), (83769, 245568), (92088, 223384), (95736, 214872), (107436, 191472), (111692, 184176), (122784, 167538), (127648, 161154), (143248, 143604)]