20371355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{541}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 25989984

約数和(自身を除く): 5618629

約数列:

[1, 5, 17, 85, 443, 541, 2215, 2705, 7531, 9197, 37655, 45985, 239663, 1198315, 4074271, 20371355]

約数ペア:

[(1, 20371355), (5, 4074271), (17, 1198315), (85, 239663), (443, 45985), (541, 37655), (2215, 9197), (2705, 7531)]