20834265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81703}}^1$

素因数の和:81728

約数の個数: 16

約数和(自身を含む): 35296128

約数和(自身を除く): 14461863

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 81703, 245109, 408515, 1225545, 1388951, 4166853, 6944755, 20834265]

約数ペア:

[(1, 20834265), (3, 6944755), (5, 4166853), (15, 1388951), (17, 1225545), (51, 408515), (85, 245109), (255, 81703)]