20281569284

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{4663}}^1\times {\mathrm{4231}}^1$

素因数の和:9155

約数の個数: 24

約数和(自身を含む): 35646914688

約数和(自身を除く): 15365345404

約数列:

[1, 2, 4, 257, 514, 1028, 4231, 4663, 8462, 9326, 16924, 18652, 1087367, 1198391, 2174734, 2396782, 4349468, 4793564, 19729153, 39458306, 78916612, 5070392321, 10140784642, 20281569284]

約数ペア:

[(1, 20281569284), (2, 10140784642), (4, 5070392321), (257, 78916612), (514, 39458306), (1028, 19729153), (4231, 4793564), (4663, 4349468), (8462, 2396782), (9326, 2174734), (16924, 1198391), (18652, 1087367)]