20798045954

素因数分解:

$2^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2851391}}^1$

素因数の和:2851921

約数の個数: 16

約数和(自身を含む): 35722238976

約数和(自身を除く): 14924193022

約数列:

[1, 2, 7, 14, 521, 1042, 3647, 7294, 2851391, 5702782, 19959737, 39919474, 1485574711, 2971149422, 10399022977, 20798045954]

約数ペア:

[(1, 20798045954), (2, 10399022977), (7, 2971149422), (14, 1485574711), (521, 39919474), (1042, 19959737), (3647, 5702782), (7294, 2851391)]