20687531427

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{757}}^1\times {\mathrm{82067}}^1$

素因数の和:82867

約数の個数: 24

約数和(自身を含む): 30730526736

約数和(自身を除く): 10042995309

約数列:

[1, 3, 9, 37, 111, 333, 757, 2271, 6813, 28009, 82067, 84027, 246201, 252081, 738603, 3036479, 9109437, 27328311, 62124719, 186374157, 559122471, 2298614603, 6895843809, 20687531427]

約数ペア:

[(1, 20687531427), (3, 6895843809), (9, 2298614603), (37, 559122471), (111, 186374157), (333, 62124719), (757, 27328311), (2271, 9109437), (6813, 3036479), (28009, 738603), (82067, 252081), (84027, 246201)]