20657068

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 16492772

約数列:

[1, 2, 4, 53, 106, 139, 212, 278, 556, 701, 1402, 2804, 7367, 14734, 29468, 37153, 74306, 97439, 148612, 194878, 389756, 5164267, 10328534, 20657068]

約数ペア:

[(1, 20657068), (2, 10328534), (4, 5164267), (53, 389756), (106, 194878), (139, 148612), (212, 97439), (278, 74306), (556, 37153), (701, 29468), (1402, 14734), (2804, 7367)]