20887192

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90031}}^1$

素因数の和:90066

約数の個数: 16

約数和(自身を含む): 40514400

約数和(自身を除く): 19627208

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90031, 180062, 360124, 720248, 2610899, 5221798, 10443596, 20887192]

約数ペア:

[(1, 20887192), (2, 10443596), (4, 5221798), (8, 2610899), (29, 720248), (58, 360124), (116, 180062), (232, 90031)]