20885708

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{47903}}^1$

素因数の和:48016

約数の個数: 12

約数和(自身を含む): 36886080

約数和(自身を除く): 16000372

約数列:

[1, 2, 4, 109, 218, 436, 47903, 95806, 191612, 5221427, 10442854, 20885708]

約数ペア:

[(1, 20885708), (2, 10442854), (4, 5221427), (109, 191612), (218, 95806), (436, 47903)]