20859849328

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2942981}}^1$

素因数の和:2943432

約数の個数: 20

約数和(自身を含む): 40507204248

約数和(自身を除く): 19647354920

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 2942981, 5885962, 11771924, 23543848, 47087696, 1303740583, 2607481166, 5214962332, 10429924664, 20859849328]

約数ペア:

[(1, 20859849328), (2, 10429924664), (4, 5214962332), (8, 2607481166), (16, 1303740583), (443, 47087696), (886, 23543848), (1772, 11771924), (3544, 5885962), (7088, 2942981)]