20766888

素因数分解:

$2^3\times 3^3\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1311

約数の個数: 64

約数和(自身を含む): 58464000

約数和(自身を除く): 37697112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 108, 158, 216, 237, 316, 474, 632, 711, 948, 1217, 1422, 1896, 2133, 2434, 2844, 3651, 4266, 4868, 5688, 7302, 8532, 9736, 10953, 14604, 17064, 21906, 29208, 32859, 43812, 65718, 87624, 96143, 131436, 192286, 262872, 288429, 384572, 576858, 769144, 865287, 1153716, 1730574, 2307432, 2595861, 3461148, 5191722, 6922296, 10383444, 20766888]

約数ペア:

[(1, 20766888), (2, 10383444), (3, 6922296), (4, 5191722), (6, 3461148), (8, 2595861), (9, 2307432), (12, 1730574), (18, 1153716), (24, 865287), (27, 769144), (36, 576858), (54, 384572), (72, 288429), (79, 262872), (108, 192286), (158, 131436), (216, 96143), (237, 87624), (316, 65718), (474, 43812), (632, 32859), (711, 29208), (948, 21906), (1217, 17064), (1422, 14604), (1896, 10953), (2133, 9736), (2434, 8532), (2844, 7302), (3651, 5688), (4266, 4868)]