20428439136

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{4679}}^1$

素因数の和:4861

約数の個数: 192

約数和(自身を含む): 62836300800

約数和(自身を除く): 42407861664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 73, 84, 89, 96, 112, 146, 168, 178, 219, 224, 267, 292, 336, 356, 438, 511, 534, 584, 623, 672, 712, 876, 1022, 1068, 1168, 1246, 1424, 1533, 1752, 1869, 2044, 2136, 2336, 2492, 2848, 3066, 3504, 3738, 4088, 4272, 4679, 4984, 6132, 6497, 7008, 7476, 8176, 8544, 9358, 9968, 12264, 12994, 14037, 14952, 16352, 18716, 19491, 19936, 24528, 25988, 28074, 29904, 32753, 37432, 38982, 45479, 49056, 51976, 56148, 59808, 65506, 74864, 77964, 90958, 98259, 103952, 112296, 131012, 136437, 149728, 155928, 181916, 196518, 207904, 224592, 262024, 272874, 311856, 341567, 363832, 393036, 416431, 449184, 524048, 545748, 623712, 683134, 727664, 786072, 832862, 1024701, 1048096, 1091496, 1249293, 1366268, 1455328, 1572144, 1665724, 2049402, 2182992, 2390969, 2498586, 2732536, 2915017, 3144288, 3331448, 4098804, 4365984, 4781938, 4997172, 5465072, 5830034, 6662896, 7172907, 8197608, 8745051, 9563876, 9994344, 10930144, 11660068, 13325792, 14345814, 16395216, 17490102, 19127752, 19988688, 23320136, 28691628, 30399463, 32790432, 34980204, 38255504, 39977376, 46640272, 57383256, 60798926, 69960408, 76511008, 91198389, 93280544, 114766512, 121597852, 139920816, 182396778, 212796241, 229533024, 243195704, 279841632, 364793556, 425592482, 486391408, 638388723, 729587112, 851184964, 972782816, 1276777446, 1459174224, 1702369928, 2553554892, 2918348448, 3404739856, 5107109784, 6809479712, 10214219568, 20428439136]

約数ペア:

[(1, 20428439136), (2, 10214219568), (3, 6809479712), (4, 5107109784), (6, 3404739856), (7, 2918348448), (8, 2553554892), (12, 1702369928), (14, 1459174224), (16, 1276777446), (21, 972782816), (24, 851184964), (28, 729587112), (32, 638388723), (42, 486391408), (48, 425592482), (56, 364793556), (73, 279841632), (84, 243195704), (89, 229533024), (96, 212796241), (112, 182396778), (146, 139920816), (168, 121597852), (178, 114766512), (219, 93280544), (224, 91198389), (267, 76511008), (292, 69960408), (336, 60798926), (356, 57383256), (438, 46640272), (511, 39977376), (534, 38255504), (584, 34980204), (623, 32790432), (672, 30399463), (712, 28691628), (876, 23320136), (1022, 19988688), (1068, 19127752), (1168, 17490102), (1246, 16395216), (1424, 14345814), (1533, 13325792), (1752, 11660068), (1869, 10930144), (2044, 9994344), (2136, 9563876), (2336, 8745051), (2492, 8197608), (2848, 7172907), (3066, 6662896), (3504, 5830034), (3738, 5465072), (4088, 4997172), (4272, 4781938), (4679, 4365984), (4984, 4098804), (6132, 3331448), (6497, 3144288), (7008, 2915017), (7476, 2732536), (8176, 2498586), (8544, 2390969), (9358, 2182992), (9968, 2049402), (12264, 1665724), (12994, 1572144), (14037, 1455328), (14952, 1366268), (16352, 1249293), (18716, 1091496), (19491, 1048096), (19936, 1024701), (24528, 832862), (25988, 786072), (28074, 727664), (29904, 683134), (32753, 623712), (37432, 545748), (38982, 524048), (45479, 449184), (49056, 416431), (51976, 393036), (56148, 363832), (59808, 341567), (65506, 311856), (74864, 272874), (77964, 262024), (90958, 224592), (98259, 207904), (103952, 196518), (112296, 181916), (131012, 155928), (136437, 149728)]