20187680217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8422061}}^1$

素因数の和:8422128

約数の個数: 16

約数和(自身を含む): 29106646272

約数和(自身を除く): 8918966055

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8422061, 25266183, 143175037, 395836867, 429525111, 1187510601, 6729226739, 20187680217]

約数ペア:

[(1, 20187680217), (3, 6729226739), (17, 1187510601), (47, 429525111), (51, 395836867), (141, 143175037), (799, 25266183), (2397, 8422061)]