20940346

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1534

約数の個数: 24

約数和(自身を含む): 36798516

約数和(自身を除く): 15858170

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1361, 2198, 2722, 7693, 9527, 15386, 19054, 66689, 133378, 213677, 427354, 1495739, 2991478, 10470173, 20940346]

約数ペア:

[(1, 20940346), (2, 10470173), (7, 2991478), (14, 1495739), (49, 427354), (98, 213677), (157, 133378), (314, 66689), (1099, 19054), (1361, 15386), (2198, 9527), (2722, 7693)]