20168231780

素因数分解:

$2^2\times 5^1\times {\mathrm{5101}}^1\times {\mathrm{197689}}^1$

素因数の和:202799

約数の個数: 24

約数和(自身を含む): 42361803960

約数和(自身を除く): 22193572180

約数列:

[1, 2, 4, 5, 10, 20, 5101, 10202, 20404, 25505, 51010, 102020, 197689, 395378, 790756, 988445, 1976890, 3953780, 1008411589, 2016823178, 4033646356, 5042057945, 10084115890, 20168231780]

約数ペア:

[(1, 20168231780), (2, 10084115890), (4, 5042057945), (5, 4033646356), (10, 2016823178), (20, 1008411589), (5101, 3953780), (10202, 1976890), (20404, 988445), (25505, 790756), (51010, 395378), (102020, 197689)]