20800129

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1697}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 25429248

約数和(自身を除く): 4629119

約数列:

[1, 7, 17, 103, 119, 721, 1697, 1751, 11879, 12257, 28849, 174791, 201943, 1223537, 2971447, 20800129]

約数ペア:

[(1, 20800129), (7, 2971447), (17, 1223537), (103, 201943), (119, 174791), (721, 28849), (1697, 12257), (1751, 11879)]