20581946

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133649}}^1$

素因数の和:133669

約数の個数: 16

約数和(自身を含む): 38491200

約数和(自身を除く): 17909254

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 133649, 267298, 935543, 1470139, 1871086, 2940278, 10290973, 20581946]

約数ペア:

[(1, 20581946), (2, 10290973), (7, 2940278), (11, 1871086), (14, 1470139), (22, 935543), (77, 267298), (154, 133649)]