20569637

素因数分解:

${\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1384

約数の個数: 12

約数和(自身を含む): 22790880

約数和(自身を除く): 2221243

約数列:

[1, 11, 121, 139, 1223, 1529, 13453, 16819, 147983, 169997, 1869967, 20569637]

約数ペア:

[(1, 20569637), (11, 1869967), (121, 169997), (139, 147983), (1223, 16819), (1529, 13453)]