20367788

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31627}}^1$

素因数の和:31661

約数の個数: 24

約数和(自身を含む): 42508032

約数和(自身を除く): 22140244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31627, 63254, 126508, 221389, 442778, 727421, 885556, 1454842, 2909684, 5091947, 10183894, 20367788]

約数ペア:

[(1, 20367788), (2, 10183894), (4, 5091947), (7, 2909684), (14, 1454842), (23, 885556), (28, 727421), (46, 442778), (92, 221389), (161, 126508), (322, 63254), (644, 31627)]