20180967184

素因数分解:

$2^4\times 7^1\times {\mathrm{180187207}}^1$

素因数の和:180187222

約数の個数: 20

約数和(自身を含む): 44686427584

約数和(自身を除く): 24505460400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180187207, 360374414, 720748828, 1261310449, 1441497656, 2522620898, 2882995312, 5045241796, 10090483592, 20180967184]

約数ペア:

[(1, 20180967184), (2, 10090483592), (4, 5045241796), (7, 2882995312), (8, 2522620898), (14, 1441497656), (16, 1261310449), (28, 720748828), (56, 360374414), (112, 180187207)]