20858055

素因数分解:

$3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2903}}^1$

素因数の和:3390

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12596025

約数列:

[1, 3, 5, 15, 479, 1437, 2395, 2903, 7185, 8709, 14515, 43545, 1390537, 4171611, 6952685, 20858055]

約数ペア:

[(1, 20858055), (3, 6952685), (5, 4171611), (15, 1390537), (479, 43545), (1437, 14515), (2395, 8709), (2903, 7185)]