20965719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7411}}^1$

素因数の和:7478

約数の個数: 16

約数和(自身を含む): 29885184

約数和(自身を除く): 8919465

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 7411, 22233, 170453, 303851, 511359, 911553, 6988573, 20965719]

約数ペア:

[(1, 20965719), (3, 6988573), (23, 911553), (41, 511359), (69, 303851), (123, 170453), (943, 22233), (2829, 7411)]