20840336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118411}}^1$

素因数の和:118430

約数の個数: 20

約数和(自身を含む): 44049264

約数和(自身を除く): 23208928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118411, 236822, 473644, 947288, 1302521, 1894576, 2605042, 5210084, 10420168, 20840336]

約数ペア:

[(1, 20840336), (2, 10420168), (4, 5210084), (8, 2605042), (11, 1894576), (16, 1302521), (22, 947288), (44, 473644), (88, 236822), (176, 118411)]