20342217303

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{720053}}^1$

素因数の和:720175

約数の個数: 24

約数和(自身を含む): 30478445712

約数和(自身を除く): 10136228409

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 3139, 9417, 28251, 720053, 2160159, 6480477, 30962279, 52563869, 92886837, 157691607, 278660511, 473074821, 2260246367, 6780739101, 20342217303]

約数ペア:

[(1, 20342217303), (3, 6780739101), (9, 2260246367), (43, 473074821), (73, 278660511), (129, 157691607), (219, 92886837), (387, 52563869), (657, 30962279), (3139, 6480477), (9417, 2160159), (28251, 720053)]