20168642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4759}}^1$

素因数の和:4937

約数の個数: 16

約数和(自身を含む): 32786880

約数和(自身を除く): 12618238

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4759, 9518, 61867, 123734, 775717, 1551434, 10084321, 20168642]

約数ペア:

[(1, 20168642), (2, 10084321), (13, 1551434), (26, 775717), (163, 123734), (326, 61867), (2119, 9518), (4238, 4759)]