20886796

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20161}}^1$

素因数の和:20209

約数の個数: 24

約数和(自身を含む): 42904736

約数和(自身を除く): 22017940

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20161, 40322, 80644, 141127, 282254, 564508, 745957, 1491914, 2983828, 5221699, 10443398, 20886796]

約数ペア:

[(1, 20886796), (2, 10443398), (4, 5221699), (7, 2983828), (14, 1491914), (28, 745957), (37, 564508), (74, 282254), (148, 141127), (259, 80644), (518, 40322), (1036, 20161)]