20284808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149153}}^1$

素因数の和:149176

約数の個数: 16

約数和(自身を含む): 40271580

約数和(自身を除く): 19986772

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149153, 298306, 596612, 1193224, 2535601, 5071202, 10142404, 20284808]

約数ペア:

[(1, 20284808), (2, 10142404), (4, 5071202), (8, 2535601), (17, 1193224), (34, 596612), (68, 298306), (136, 149153)]