20514144

素因数分解:

$2^5\times 3^1\times 7^4\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 120

約数和(自身を含む): 63526680

約数和(自身を除く): 43012536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 89, 96, 98, 112, 147, 168, 178, 196, 224, 267, 294, 336, 343, 356, 392, 534, 588, 623, 672, 686, 712, 784, 1029, 1068, 1176, 1246, 1372, 1424, 1568, 1869, 2058, 2136, 2352, 2401, 2492, 2744, 2848, 3738, 4116, 4272, 4361, 4704, 4802, 4984, 5488, 7203, 7476, 8232, 8544, 8722, 9604, 9968, 10976, 13083, 14406, 14952, 16464, 17444, 19208, 19936, 26166, 28812, 29904, 30527, 32928, 34888, 38416, 52332, 57624, 59808, 61054, 69776, 76832, 91581, 104664, 115248, 122108, 139552, 183162, 209328, 213689, 230496, 244216, 366324, 418656, 427378, 488432, 641067, 732648, 854756, 976864, 1282134, 1465296, 1709512, 2564268, 2930592, 3419024, 5128536, 6838048, 10257072, 20514144]

約数ペア:

[(1, 20514144), (2, 10257072), (3, 6838048), (4, 5128536), (6, 3419024), (7, 2930592), (8, 2564268), (12, 1709512), (14, 1465296), (16, 1282134), (21, 976864), (24, 854756), (28, 732648), (32, 641067), (42, 488432), (48, 427378), (49, 418656), (56, 366324), (84, 244216), (89, 230496), (96, 213689), (98, 209328), (112, 183162), (147, 139552), (168, 122108), (178, 115248), (196, 104664), (224, 91581), (267, 76832), (294, 69776), (336, 61054), (343, 59808), (356, 57624), (392, 52332), (534, 38416), (588, 34888), (623, 32928), (672, 30527), (686, 29904), (712, 28812), (784, 26166), (1029, 19936), (1068, 19208), (1176, 17444), (1246, 16464), (1372, 14952), (1424, 14406), (1568, 13083), (1869, 10976), (2058, 9968), (2136, 9604), (2352, 8722), (2401, 8544), (2492, 8232), (2744, 7476), (2848, 7203), (3738, 5488), (4116, 4984), (4272, 4802), (4361, 4704)]