20170579984

素因数分解:

$2^4\times {\mathrm{5119}}^1\times {\mathrm{246271}}^1$

素因数の和:251398

約数の個数: 20

約数和(自身を含む): 39088291840

約数和(自身を除く): 18917711856

約数列:

[1, 2, 4, 8, 16, 5119, 10238, 20476, 40952, 81904, 246271, 492542, 985084, 1970168, 3940336, 1260661249, 2521322498, 5042644996, 10085289992, 20170579984]

約数ペア:

[(1, 20170579984), (2, 10085289992), (4, 5042644996), (8, 2521322498), (16, 1260661249), (5119, 3940336), (10238, 1970168), (20476, 985084), (40952, 492542), (81904, 246271)]