20585008

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4391}}^1$

素因数の和:4692

約数の個数: 20

約数和(自身を含む): 40028688

約数和(自身を除く): 19443680

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4391, 4688, 8782, 17564, 35128, 70256, 1286563, 2573126, 5146252, 10292504, 20585008]

約数ペア:

[(1, 20585008), (2, 10292504), (4, 5146252), (8, 2573126), (16, 1286563), (293, 70256), (586, 35128), (1172, 17564), (2344, 8782), (4391, 4688)]