20816802

素因数分解:

$2^1\times 3^2\times {\mathrm{941}}^1\times {\mathrm{1229}}^1$

素因数の和:2178

約数の個数: 24

約数和(自身を含む): 45187740

約数和(自身を除く): 24370938

約数列:

[1, 2, 3, 6, 9, 18, 941, 1229, 1882, 2458, 2823, 3687, 5646, 7374, 8469, 11061, 16938, 22122, 1156489, 2312978, 3469467, 6938934, 10408401, 20816802]

約数ペア:

[(1, 20816802), (2, 10408401), (3, 6938934), (6, 3469467), (9, 2312978), (18, 1156489), (941, 22122), (1229, 16938), (1882, 11061), (2458, 8469), (2823, 7374), (3687, 5646)]