20479445

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4271}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 28297728

約数和(自身を除く): 7818283

約数列:

[1, 5, 7, 35, 137, 685, 959, 4271, 4795, 21355, 29897, 149485, 585127, 2925635, 4095889, 20479445]

約数ペア:

[(1, 20479445), (5, 4095889), (7, 2925635), (35, 585127), (137, 149485), (685, 29897), (959, 21355), (4271, 4795)]