20181648681

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{332159}}^1$

素因数の和:332365

約数の個数: 24

約数和(自身を含む): 30019292160

約数和(自身を除く): 9837643479

約数列:

[1, 3, 9, 43, 129, 157, 387, 471, 1413, 6751, 20253, 60759, 332159, 996477, 2989431, 14282837, 42848511, 52148963, 128545533, 156446889, 469340667, 2242405409, 6727216227, 20181648681]

約数ペア:

[(1, 20181648681), (3, 6727216227), (9, 2242405409), (43, 469340667), (129, 156446889), (157, 128545533), (387, 52148963), (471, 42848511), (1413, 14282837), (6751, 2989431), (20253, 996477), (60759, 332159)]