16662220

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1823}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 35086464

約数和(自身を除く): 18424244

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1823, 1828, 2285, 3646, 4570, 7292, 9115, 9140, 18230, 36460, 833111, 1666222, 3332444, 4165555, 8331110, 16662220]

約数ペア:

[(1, 16662220), (2, 8331110), (4, 4165555), (5, 3332444), (10, 1666222), (20, 833111), (457, 36460), (914, 18230), (1823, 9140), (1828, 9115), (2285, 7292), (3646, 4570)]