20494488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2896

約数の個数: 64

約数和(自身を含む): 59938560

約数和(自身を除く): 39444072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2837, 3612, 5674, 7224, 8511, 11348, 17022, 19859, 22696, 34044, 39718, 59577, 68088, 79436, 119154, 121991, 158872, 238308, 243982, 365973, 476616, 487964, 731946, 853937, 975928, 1463892, 1707874, 2561811, 2927784, 3415748, 5123622, 6831496, 10247244, 20494488]

約数ペア:

[(1, 20494488), (2, 10247244), (3, 6831496), (4, 5123622), (6, 3415748), (7, 2927784), (8, 2561811), (12, 1707874), (14, 1463892), (21, 975928), (24, 853937), (28, 731946), (42, 487964), (43, 476616), (56, 365973), (84, 243982), (86, 238308), (129, 158872), (168, 121991), (172, 119154), (258, 79436), (301, 68088), (344, 59577), (516, 39718), (602, 34044), (903, 22696), (1032, 19859), (1204, 17022), (1806, 11348), (2408, 8511), (2837, 7224), (3612, 5674)]