20573791

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2083}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 25208064

約数和(自身を除く): 4634273

約数列:

[1, 7, 17, 83, 119, 581, 1411, 2083, 9877, 14581, 35411, 172889, 247877, 1210223, 2939113, 20573791]

約数ペア:

[(1, 20573791), (7, 2939113), (17, 1210223), (83, 247877), (119, 172889), (581, 35411), (1411, 14581), (2083, 9877)]