20803405

素因数分解:

$5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2551}}^1$

素因数の和:2796

約数の個数: 16

約数和(自身を含む): 28664064

約数和(自身を除く): 7860659

約数列:

[1, 5, 7, 35, 233, 1165, 1631, 2551, 8155, 12755, 17857, 89285, 594383, 2971915, 4160681, 20803405]

約数ペア:

[(1, 20803405), (5, 4160681), (7, 2971915), (35, 594383), (233, 89285), (1165, 17857), (1631, 12755), (2551, 8155)]