20147888103

素因数分解:

$3^1\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{447701}}^1$

素因数の和:449854

約数の個数: 16

約数和(自身を含む): 30715938816

約数和(自身を除く): 10568050713

約数列:

[1, 3, 7, 21, 2143, 6429, 15001, 45003, 447701, 1343103, 3133907, 9401721, 959423243, 2878269729, 6715962701, 20147888103]

約数ペア:

[(1, 20147888103), (3, 6715962701), (7, 2878269729), (21, 959423243), (2143, 9401721), (6429, 3133907), (15001, 1343103), (45003, 447701)]