20789188

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3847}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 41804672

約数和(自身を除く): 21015484

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 3847, 5404, 7694, 15388, 26929, 53858, 107716, 742471, 1484942, 2969884, 5197297, 10394594, 20789188]

約数ペア:

[(1, 20789188), (2, 10394594), (4, 5197297), (7, 2969884), (14, 1484942), (28, 742471), (193, 107716), (386, 53858), (772, 26929), (1351, 15388), (2702, 7694), (3847, 5404)]