20180119660

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7944929}}^1$

素因数の和:7945065

約数の個数: 24

約数和(自身を含む): 42711943680

約数和(自身を除く): 22531824020

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7944929, 15889858, 31779716, 39724645, 79449290, 158898580, 1009005983, 2018011966, 4036023932, 5045029915, 10090059830, 20180119660]

約数ペア:

[(1, 20180119660), (2, 10090059830), (4, 5045029915), (5, 4036023932), (10, 2018011966), (20, 1009005983), (127, 158898580), (254, 79449290), (508, 39724645), (635, 31779716), (1270, 15889858), (2540, 7944929)]