20488060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60259}}^1$

素因数の和:60285

約数の個数: 24

約数和(自身を含む): 45556560

約数和(自身を除く): 25068500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60259, 120518, 241036, 301295, 602590, 1024403, 1205180, 2048806, 4097612, 5122015, 10244030, 20488060]

約数ペア:

[(1, 20488060), (2, 10244030), (4, 5122015), (5, 4097612), (10, 2048806), (17, 1205180), (20, 1024403), (34, 602590), (68, 301295), (85, 241036), (170, 120518), (340, 60259)]