20921872611

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1\times {\mathrm{159161}}^1$

素因数の和:160226

約数の個数: 16

約数和(自身を含む): 28572762240

約数和(自身を除く): 7650889629

約数列:

[1, 3, 43, 129, 1019, 3057, 43817, 131451, 159161, 477483, 6843923, 20531769, 162185059, 486555177, 6973957537, 20921872611]

約数ペア:

[(1, 20921872611), (3, 6973957537), (43, 486555177), (129, 162185059), (1019, 20531769), (3057, 6843923), (43817, 477483), (131451, 159161)]