20831153721

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4150459}}^1$

素因数の和:4150708

約数の個数: 16

約数和(自身を含む): 31875532800

約数和(自身を除く): 11044379079

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 4150459, 12451377, 29053213, 87159639, 991959701, 2975879103, 6943717907, 20831153721]

約数ペア:

[(1, 20831153721), (3, 6943717907), (7, 2975879103), (21, 991959701), (239, 87159639), (717, 29053213), (1673, 12451377), (5019, 4150459)]