20705168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117643}}^1$

素因数の和:117662

約数の個数: 20

約数和(自身を含む): 43763568

約数和(自身を除く): 23058400

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117643, 235286, 470572, 941144, 1294073, 1882288, 2588146, 5176292, 10352584, 20705168]

約数ペア:

[(1, 20705168), (2, 10352584), (4, 5176292), (8, 2588146), (11, 1882288), (16, 1294073), (22, 941144), (44, 470572), (88, 235286), (176, 117643)]