20136868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4657}}^1$

素因数の和:4731

約数の個数: 24

約数和(自身を含む): 37562112

約数和(自身を除く): 17425244

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4657, 9314, 18628, 107111, 214222, 218879, 428444, 437758, 875516, 5034217, 10068434, 20136868]

約数ペア:

[(1, 20136868), (2, 10068434), (4, 5034217), (23, 875516), (46, 437758), (47, 428444), (92, 218879), (94, 214222), (188, 107111), (1081, 18628), (2162, 9314), (4324, 4657)]