20447676

素因数分解:

$2^2\times 3^2\times {\mathrm{567991}}^1$

素因数の和:568001

約数の個数: 18

約数和(自身を含む): 51687272

約数和(自身を除く): 31239596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 567991, 1135982, 1703973, 2271964, 3407946, 5111919, 6815892, 10223838, 20447676]

約数ペア:

[(1, 20447676), (2, 10223838), (3, 6815892), (4, 5111919), (6, 3407946), (9, 2271964), (12, 1703973), (18, 1135982), (36, 567991)]