20631816

素因数分解:

$2^3\times 3^2\times {\mathrm{286553}}^1$

素因数の和:286565

約数の個数: 24

約数和(自身を含む): 55878030

約数和(自身を除く): 35246214

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 286553, 573106, 859659, 1146212, 1719318, 2292424, 2578977, 3438636, 5157954, 6877272, 10315908, 20631816]

約数ペア:

[(1, 20631816), (2, 10315908), (3, 6877272), (4, 5157954), (6, 3438636), (8, 2578977), (9, 2292424), (12, 1719318), (18, 1146212), (24, 859659), (36, 573106), (72, 286553)]