20505390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683513}}^1$

素因数の和:683523

約数の個数: 16

約数和(自身を含む): 49213008

約数和(自身を除く): 28707618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683513, 1367026, 2050539, 3417565, 4101078, 6835130, 10252695, 20505390]

約数ペア:

[(1, 20505390), (2, 10252695), (3, 6835130), (5, 4101078), (6, 3417565), (10, 2050539), (15, 1367026), (30, 683513)]