19980695

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33581}}^1$

素因数の和:33610

約数の個数: 16

約数和(自身を含む): 29014848

約数和(自身を除く): 9034153

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33581, 167905, 235067, 570877, 1175335, 2854385, 3996139, 19980695]

約数ペア:

[(1, 19980695), (5, 3996139), (7, 2854385), (17, 1175335), (35, 570877), (85, 235067), (119, 167905), (595, 33581)]