20806853809

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2462641}}^1$

素因数の和:2462736

約数の個数: 16

約数和(自身を含む): 25532672256

約数和(自身を除く): 4725818447

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 2462641, 17238487, 41864897, 174847511, 293054279, 1223932577, 2972407687, 20806853809]

約数ペア:

[(1, 20806853809), (7, 2972407687), (17, 1223932577), (71, 293054279), (119, 174847511), (497, 41864897), (1207, 17238487), (8449, 2462641)]