20383391

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1790

約数の個数: 16

約数和(自身を含む): 24920064

約数和(自身を除く): 4536673

約数列:

[1, 7, 17, 103, 119, 721, 1663, 1751, 11641, 12257, 28271, 171289, 197897, 1199023, 2911913, 20383391]

約数ペア:

[(1, 20383391), (7, 2911913), (17, 1199023), (103, 197897), (119, 171289), (721, 28271), (1663, 12257), (1751, 11641)]