20520584

素因数分解:

$2^3\times 7^1\times {\mathrm{366439}}^1$

素因数の和:366452

約数の個数: 16

約数和(自身を含む): 43972800

約数和(自身を除く): 23452216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 366439, 732878, 1465756, 2565073, 2931512, 5130146, 10260292, 20520584]

約数ペア:

[(1, 20520584), (2, 10260292), (4, 5130146), (7, 2931512), (8, 2565073), (14, 1465756), (28, 732878), (56, 366439)]