20641753

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{5503}}^1$

素因数の和:5556

約数の個数: 12

約数和(自身を含む): 23425024

約数和(自身を除く): 2783271

約数列:

[1, 11, 31, 121, 341, 3751, 5503, 60533, 170593, 665863, 1876523, 20641753]

約数ペア:

[(1, 20641753), (11, 1876523), (31, 665863), (121, 170593), (341, 60533), (3751, 5503)]