20908728

素因数分解:

$2^3\times 3^2\times {\mathrm{290399}}^1$

素因数の和:290411

約数の個数: 24

約数和(自身を含む): 56628000

約数和(自身を除く): 35719272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290399, 580798, 871197, 1161596, 1742394, 2323192, 2613591, 3484788, 5227182, 6969576, 10454364, 20908728]

約数ペア:

[(1, 20908728), (2, 10454364), (3, 6969576), (4, 5227182), (6, 3484788), (8, 2613591), (9, 2323192), (12, 1742394), (18, 1161596), (24, 871197), (36, 580798), (72, 290399)]