1980272

素因数分解:

$2^4\times 7^1\times {\mathrm{17681}}^1$

素因数の和:17696

約数の個数: 20

約数和(自身を含む): 4385136

約数和(自身を除く): 2404864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17681, 35362, 70724, 123767, 141448, 247534, 282896, 495068, 990136, 1980272]

約数ペア:

[(1, 1980272), (2, 990136), (4, 495068), (7, 282896), (8, 247534), (14, 141448), (16, 123767), (28, 70724), (56, 35362), (112, 17681)]