20802657

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 28895040

約数和(自身を除く): 8092383

約数列:

[1, 3, 29, 87, 157, 471, 1523, 4553, 4569, 13659, 44167, 132501, 239111, 717333, 6934219, 20802657]

約数ペア:

[(1, 20802657), (3, 6934219), (29, 717333), (87, 239111), (157, 132501), (471, 44167), (1523, 13659), (4553, 4569)]