20565183

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{881}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 7884609

約数列:

[1, 3, 31, 93, 251, 753, 881, 2643, 7781, 23343, 27311, 81933, 221131, 663393, 6855061, 20565183]

約数ペア:

[(1, 20565183), (3, 6855061), (31, 663393), (93, 221131), (251, 81933), (753, 27311), (881, 23343), (2643, 7781)]