20128740919

素因数分解:

$7^2\times {\mathrm{283}}^1\times {\mathrm{1451557}}^1$

素因数の和:1451854

約数の個数: 12

約数和(自身を含む): 23497820904

約数和(自身を除く): 3369079985

約数列:

[1, 7, 49, 283, 1981, 13867, 1451557, 10160899, 71126293, 410790631, 2875534417, 20128740919]

約数ペア:

[(1, 20128740919), (7, 2875534417), (49, 410790631), (283, 71126293), (1981, 10160899), (13867, 1451557)]