20611376

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9403}}^1$

素因数の和:9548

約数の個数: 20

約数和(自身を含む): 40230312

約数和(自身を除く): 19618936

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9403, 18806, 37612, 75224, 150448, 1288211, 2576422, 5152844, 10305688, 20611376]

約数ペア:

[(1, 20611376), (2, 10305688), (4, 5152844), (8, 2576422), (16, 1288211), (137, 150448), (274, 75224), (548, 37612), (1096, 18806), (2192, 9403)]