20108195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1307}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 25710048

約数和(自身を除く): 5601853

約数列:

[1, 5, 17, 85, 181, 905, 1307, 3077, 6535, 15385, 22219, 111095, 236567, 1182835, 4021639, 20108195]

約数ペア:

[(1, 20108195), (5, 4021639), (17, 1182835), (85, 236567), (181, 111095), (905, 22219), (1307, 15385), (3077, 6535)]