20168360

素因数分解:

$2^3\times 5^1\times {\mathrm{504209}}^1$

素因数の和:504220

約数の個数: 16

約数和(自身を含む): 45378900

約数和(自身を除く): 25210540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504209, 1008418, 2016836, 2521045, 4033672, 5042090, 10084180, 20168360]

約数ペア:

[(1, 20168360), (2, 10084180), (4, 5042090), (5, 4033672), (8, 2521045), (10, 2016836), (20, 1008418), (40, 504209)]