20160917186780

素因数分解:

$2^2\times 5^1\times {\mathrm{498557}}^1\times {\mathrm{2021927}}^1$

素因数の和:2520493

約数の個数: 24

約数和(自身を含む): 42338031952608

約数和(自身を除く): 22177114765828

約数列:

[1, 2, 4, 5, 10, 20, 498557, 997114, 1994228, 2021927, 2492785, 4043854, 4985570, 8087708, 9971140, 10109635, 20219270, 40438540, 1008045859339, 2016091718678, 4032183437356, 5040229296695, 10080458593390, 20160917186780]

約数ペア:

[(1, 20160917186780), (2, 10080458593390), (4, 5040229296695), (5, 4032183437356), (10, 2016091718678), (20, 1008045859339), (498557, 40438540), (997114, 20219270), (1994228, 10109635), (2021927, 9971140), (2492785, 8087708), (4043854, 4985570)]