20208065

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 24993408

約数和(自身を除く): 4785343

約数列:

[1, 5, 43, 193, 215, 487, 965, 2435, 8299, 20941, 41495, 93991, 104705, 469955, 4041613, 20208065]

約数ペア:

[(1, 20208065), (5, 4041613), (43, 469955), (193, 104705), (215, 93991), (487, 41495), (965, 20941), (2435, 8299)]