20508765

素因数分解:

$3^1\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1279}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 32870400

約数和(自身を除く): 12361635

約数列:

[1, 3, 5, 15, 1069, 1279, 3207, 3837, 5345, 6395, 16035, 19185, 1367251, 4101753, 6836255, 20508765]

約数ペア:

[(1, 20508765), (3, 6836255), (5, 4101753), (15, 1367251), (1069, 19185), (1279, 16035), (3207, 6395), (3837, 5345)]