220186460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{846871}}^1$

素因数の和:846893

約数の個数: 24

約数和(自身を含む): 497960736

約数和(自身を除く): 277774276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 846871, 1693742, 3387484, 4234355, 8468710, 11009323, 16937420, 22018646, 44037292, 55046615, 110093230, 220186460]

約数ペア:

[(1, 220186460), (2, 110093230), (4, 55046615), (5, 44037292), (10, 22018646), (13, 16937420), (20, 11009323), (26, 8468710), (52, 4234355), (65, 3387484), (130, 1693742), (260, 846871)]