20800276

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3733}}^1$

素因数の和:3943

約数の個数: 24

約数和(自身を含む): 41820800

約数和(自身を除く): 21020524

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3733, 5572, 7466, 14932, 26131, 52262, 104524, 742867, 1485734, 2971468, 5200069, 10400138, 20800276]

約数ペア:

[(1, 20800276), (2, 10400138), (4, 5200069), (7, 2971468), (14, 1485734), (28, 742867), (199, 104524), (398, 52262), (796, 26131), (1393, 14932), (2786, 7466), (3733, 5572)]