20123394021

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{20896567}}^1$

素因数の和:20896680

約数の個数: 12

約数和(自身を含む): 29338781472

約数和(自身を除く): 9215387451

約数列:

[1, 3, 9, 107, 321, 963, 20896567, 62689701, 188069103, 2235932669, 6707798007, 20123394021]

約数ペア:

[(1, 20123394021), (3, 6707798007), (9, 2235932669), (107, 188069103), (321, 62689701), (963, 20896567)]