20954404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{308153}}^1$

素因数の和:308174

約数の個数: 12

約数和(自身を含む): 38827404

約数和(自身を除く): 17873000

約数列:

[1, 2, 4, 17, 34, 68, 308153, 616306, 1232612, 5238601, 10477202, 20954404]

約数ペア:

[(1, 20954404), (2, 10477202), (4, 5238601), (17, 1232612), (34, 616306), (68, 308153)]