20328543

素因数分解:

$3^3\times {\mathrm{653}}^1\times {\mathrm{1153}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 30188640

約数和(自身を除く): 9860097

約数列:

[1, 3, 9, 27, 653, 1153, 1959, 3459, 5877, 10377, 17631, 31131, 752909, 2258727, 6776181, 20328543]

約数ペア:

[(1, 20328543), (3, 6776181), (9, 2258727), (27, 752909), (653, 31131), (1153, 17631), (1959, 10377), (3459, 5877)]