20952365

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 29467392

約数和(自身を除く): 8515027

約数列:

[1, 5, 7, 35, 47, 235, 271, 329, 1355, 1645, 1897, 2209, 9485, 11045, 12737, 15463, 63685, 77315, 89159, 445795, 598639, 2993195, 4190473, 20952365]

約数ペア:

[(1, 20952365), (5, 4190473), (7, 2993195), (35, 598639), (47, 445795), (235, 89159), (271, 77315), (329, 63685), (1355, 15463), (1645, 12737), (1897, 11045), (2209, 9485)]