15235420

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3947}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 32168304

約数和(自身を除く): 16932884

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 3947, 7894, 15788, 19735, 39470, 78940, 761771, 1523542, 3047084, 3808855, 7617710, 15235420]

約数ペア:

[(1, 15235420), (2, 7617710), (4, 3808855), (5, 3047084), (10, 1523542), (20, 761771), (193, 78940), (386, 39470), (772, 19735), (965, 15788), (1930, 7894), (3860, 3947)]