20804984

素因数分解:

$2^3\times {\mathrm{719}}^1\times {\mathrm{3617}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 39074400

約数和(自身を除く): 18269416

約数列:

[1, 2, 4, 8, 719, 1438, 2876, 3617, 5752, 7234, 14468, 28936, 2600623, 5201246, 10402492, 20804984]

約数ペア:

[(1, 20804984), (2, 10402492), (4, 5201246), (8, 2600623), (719, 28936), (1438, 14468), (2876, 7234), (3617, 5752)]