20805202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41117}}^1$

素因数の和:41153

約数の個数: 16

約数和(自身を含む): 35525952

約数和(自身を除く): 14720750

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41117, 82234, 452287, 904574, 945691, 1891382, 10402601, 20805202]

約数ペア:

[(1, 20805202), (2, 10402601), (11, 1891382), (22, 945691), (23, 904574), (46, 452287), (253, 82234), (506, 41117)]