20494746

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26479}}^1$

素因数の和:26530

約数の個数: 24

約数和(自身を含む): 45439680

約数和(自身を除く): 24944934

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26479, 52958, 79437, 158874, 238311, 476622, 1138597, 2277194, 3415791, 6831582, 10247373, 20494746]

約数ペア:

[(1, 20494746), (2, 10247373), (3, 6831582), (6, 3415791), (9, 2277194), (18, 1138597), (43, 476622), (86, 238311), (129, 158874), (258, 79437), (387, 52958), (774, 26479)]