20797364060949

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{187987}}^1\times {\mathrm{277273}}^1$

素因数の和:465289

約数の個数: 32

約数和(自身を含む): 33359478215680

約数和(自身を除く): 12562114154731

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 187987, 277273, 563961, 831819, 1315909, 1940911, 3571753, 3947727, 5268187, 5822733, 10715259, 15804561, 25002271, 36877309, 75006813, 110631927, 52123719451, 156371158353, 364866036157, 990350669569, 1094598108471, 2971052008707, 6932454686983, 20797364060949]

約数ペア:

[(1, 20797364060949), (3, 6932454686983), (7, 2971052008707), (19, 1094598108471), (21, 990350669569), (57, 364866036157), (133, 156371158353), (399, 52123719451), (187987, 110631927), (277273, 75006813), (563961, 36877309), (831819, 25002271), (1315909, 15804561), (1940911, 10715259), (3571753, 5822733), (3947727, 5268187)]