20465168

素因数分解:

$2^4\times {\mathrm{587}}^1\times {\mathrm{2179}}^1$

素因数の和:2774

約数の個数: 20

約数和(自身を含む): 39737040

約数和(自身を除く): 19271872

約数列:

[1, 2, 4, 8, 16, 587, 1174, 2179, 2348, 4358, 4696, 8716, 9392, 17432, 34864, 1279073, 2558146, 5116292, 10232584, 20465168]

約数ペア:

[(1, 20465168), (2, 10232584), (4, 5116292), (8, 2558146), (16, 1279073), (587, 34864), (1174, 17432), (2179, 9392), (2348, 8716), (4358, 4696)]