20398902

素因数分解:

$2^1\times 3^1\times {\mathrm{1609}}^1\times {\mathrm{2113}}^1$

素因数の和:3727

約数の個数: 16

約数和(自身を含む): 40842480

約数和(自身を除く): 20443578

約数列:

[1, 2, 3, 6, 1609, 2113, 3218, 4226, 4827, 6339, 9654, 12678, 3399817, 6799634, 10199451, 20398902]

約数ペア:

[(1, 20398902), (2, 10199451), (3, 6799634), (6, 3399817), (1609, 12678), (2113, 9654), (3218, 6339), (4226, 4827)]