20455568

素因数分解:

$2^4\times 7^1\times {\mathrm{182639}}^1$

素因数の和:182654

約数の個数: 20

約数和(自身を含む): 45294720

約数和(自身を除く): 24839152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182639, 365278, 730556, 1278473, 1461112, 2556946, 2922224, 5113892, 10227784, 20455568]

約数ペア:

[(1, 20455568), (2, 10227784), (4, 5113892), (7, 2922224), (8, 2556946), (14, 1461112), (16, 1278473), (28, 730556), (56, 365278), (112, 182639)]