20576464

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2903}}^1$

素因数の和:3354

約数の個数: 20

約数和(自身を含む): 39970656

約数和(自身を除く): 19394192

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2903, 3544, 5806, 7088, 11612, 23224, 46448, 1286029, 2572058, 5144116, 10288232, 20576464]

約数ペア:

[(1, 20576464), (2, 10288232), (4, 5144116), (8, 2572058), (16, 1286029), (443, 46448), (886, 23224), (1772, 11612), (2903, 7088), (3544, 5806)]