20657029127

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{26317}}^1$

素因数の和:26607

約数の個数: 24

約数和(自身を含む): 24446053296

約数和(自身を除く): 3789024169

約数列:

[1, 7, 49, 83, 193, 581, 1351, 4067, 9457, 16019, 26317, 112133, 184219, 784931, 1289533, 2184311, 5079181, 15290177, 35554267, 107031239, 248879869, 421572023, 2951004161, 20657029127]

約数ペア:

[(1, 20657029127), (7, 2951004161), (49, 421572023), (83, 248879869), (193, 107031239), (581, 35554267), (1351, 15290177), (4067, 5079181), (9457, 2184311), (16019, 1289533), (26317, 784931), (112133, 184219)]