20205556

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3739}}^1$

素因数の和:3943

約数の個数: 24

約数和(自身を含む): 40631360

約数和(自身を除く): 20425804

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 3739, 5404, 7478, 14956, 26173, 52346, 104692, 721627, 1443254, 2886508, 5051389, 10102778, 20205556]

約数ペア:

[(1, 20205556), (2, 10102778), (4, 5051389), (7, 2886508), (14, 1443254), (28, 721627), (193, 104692), (386, 52346), (772, 26173), (1351, 14956), (2702, 7478), (3739, 5404)]