2019912220

素因数分解:

$2^2\times 5^1\times {\mathrm{9967}}^1\times {\mathrm{10133}}^1$

素因数の和:20109

約数の個数: 24

約数和(自身を含む): 4242659904

約数和(自身を除く): 2222747684

約数列:

[1, 2, 4, 5, 10, 20, 9967, 10133, 19934, 20266, 39868, 40532, 49835, 50665, 99670, 101330, 199340, 202660, 100995611, 201991222, 403982444, 504978055, 1009956110, 2019912220]

約数ペア:

[(1, 2019912220), (2, 1009956110), (4, 504978055), (5, 403982444), (10, 201991222), (20, 100995611), (9967, 202660), (10133, 199340), (19934, 101330), (20266, 99670), (39868, 50665), (40532, 49835)]