20425946

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2333

約数の個数: 16

約数和(自身を含む): 31653600

約数和(自身を除く): 11227654

約数列:

[1, 2, 43, 86, 109, 218, 2179, 4358, 4687, 9374, 93697, 187394, 237511, 475022, 10212973, 20425946]

約数ペア:

[(1, 20425946), (2, 10212973), (43, 475022), (86, 237511), (109, 187394), (218, 93697), (2179, 9374), (4358, 4687)]