20172875261

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{25819}}^1$

素因数の和:26049

約数の個数: 32

約数和(自身を含む): 25679539200

約数和(自身を除く): 5506663939

約数列:

[1, 7, 11, 73, 77, 139, 511, 803, 973, 1529, 5621, 10147, 10703, 25819, 71029, 111617, 180733, 284009, 781319, 1884787, 1988063, 3588841, 13193509, 20732657, 25121887, 39477251, 145128599, 261985393, 276340757, 1833897751, 2881839323, 20172875261]

約数ペア:

[(1, 20172875261), (7, 2881839323), (11, 1833897751), (73, 276340757), (77, 261985393), (139, 145128599), (511, 39477251), (803, 25121887), (973, 20732657), (1529, 13193509), (5621, 3588841), (10147, 1988063), (10703, 1884787), (25819, 781319), (71029, 284009), (111617, 180733)]