20771065

素因数分解:

$5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1451}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 28575360

約数和(自身を除く): 7804295

約数列:

[1, 5, 7, 35, 409, 1451, 2045, 2863, 7255, 10157, 14315, 50785, 593459, 2967295, 4154213, 20771065]

約数ペア:

[(1, 20771065), (5, 4154213), (7, 2967295), (35, 593459), (409, 50785), (1451, 14315), (2045, 10157), (2863, 7255)]