20040008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{147353}}^1$

素因数の和:147376

約数の個数: 16

約数和(自身を含む): 39785580

約数和(自身を除く): 19745572

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 147353, 294706, 589412, 1178824, 2505001, 5010002, 10020004, 20040008]

約数ペア:

[(1, 20040008), (2, 10020004), (4, 5010002), (8, 2505001), (17, 1178824), (34, 589412), (68, 294706), (136, 147353)]