20512435

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1667}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 25940736

約数和(自身を除く): 5428301

約数列:

[1, 5, 23, 107, 115, 535, 1667, 2461, 8335, 12305, 38341, 178369, 191705, 891845, 4102487, 20512435]

約数ペア:

[(1, 20512435), (5, 4102487), (23, 891845), (107, 191705), (115, 178369), (535, 38341), (1667, 12305), (2461, 8335)]