20434589

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 24731520

約数和(自身を除く): 4296931

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2341, 8729, 16387, 67889, 100663, 475223, 704641, 2919227, 20434589]

約数ペア:

[(1, 20434589), (7, 2919227), (29, 704641), (43, 475223), (203, 100663), (301, 67889), (1247, 16387), (2341, 8729)]