20987367

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10037}}^1$

素因数の和:10098

約数の個数: 16

約数和(自身を含む): 30354912

約数和(自身を除く): 9367545

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10037, 30111, 170629, 411517, 511887, 1234551, 6995789, 20987367]

約数ペア:

[(1, 20987367), (3, 6995789), (17, 1234551), (41, 511887), (51, 411517), (123, 170629), (697, 30111), (2091, 10037)]