20839127

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2385193

約数列:

[1, 17, 23, 223, 239, 391, 3791, 4063, 5129, 5497, 53297, 87193, 93449, 906049, 1225831, 20839127]

約数ペア:

[(1, 20839127), (17, 1225831), (23, 906049), (223, 93449), (239, 87193), (391, 53297), (3791, 5497), (4063, 5129)]