20842755

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10607}}^1$

素因数の和:10746

約数の個数: 16

約数和(自身を含む): 33606144

約数和(自身を除く): 12763389

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10607, 31821, 53035, 159105, 1389517, 4168551, 6947585, 20842755]

約数ペア:

[(1, 20842755), (3, 6947585), (5, 4168551), (15, 1389517), (131, 159105), (393, 53035), (655, 31821), (1965, 10607)]