20748754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4409}}^1$

素因数の和:4605

約数の個数: 16

約数和(自身を含む): 33710040

約数和(自身を除く): 12961286

約数列:

[1, 2, 13, 26, 181, 362, 2353, 4409, 4706, 8818, 57317, 114634, 798029, 1596058, 10374377, 20748754]

約数ペア:

[(1, 20748754), (2, 10374377), (13, 1596058), (26, 798029), (181, 114634), (362, 57317), (2353, 8818), (4409, 4706)]