20320852048

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1385009}}^1$

素因数の和:1385155

約数の個数: 40

約数和(自身を含む): 45339687360

約数和(自身を除く): 25018835312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 1385009, 2770018, 5540036, 9695063, 11080072, 19390126, 22160144, 38780252, 77560504, 155121008, 181436179, 362872358, 725744716, 1270053253, 1451489432, 2540106506, 2902978864, 5080213012, 10160426024, 20320852048]

約数ペア:

[(1, 20320852048), (2, 10160426024), (4, 5080213012), (7, 2902978864), (8, 2540106506), (14, 1451489432), (16, 1270053253), (28, 725744716), (56, 362872358), (112, 181436179), (131, 155121008), (262, 77560504), (524, 38780252), (917, 22160144), (1048, 19390126), (1834, 11080072), (2096, 9695063), (3668, 5540036), (7336, 2770018), (14672, 1385009)]