20807255

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5261}}^1$

素因数の和:5386

約数の個数: 16

約数和(自身を含む): 28793664

約数和(自身を除く): 7986409

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 5261, 26305, 36827, 184135, 594493, 2972465, 4161451, 20807255]

約数ペア:

[(1, 20807255), (5, 4161451), (7, 2972465), (35, 594493), (113, 184135), (565, 36827), (791, 26305), (3955, 5261)]