20488912

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2089}}^1$

素因数の和:2710

約数の個数: 20

約数和(自身を含む): 39781060

約数和(自身を除く): 19292148

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2089, 2452, 4178, 4904, 8356, 9808, 16712, 33424, 1280557, 2561114, 5122228, 10244456, 20488912]

約数ペア:

[(1, 20488912), (2, 10244456), (4, 5122228), (8, 2561114), (16, 1280557), (613, 33424), (1226, 16712), (2089, 9808), (2452, 8356), (4178, 4904)]