20508405

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33347}}^1$

素因数の和:33396

約数の個数: 16

約数和(自身を含む): 33614784

約数和(自身を除く): 13106379

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33347, 100041, 166735, 500205, 1367227, 4101681, 6836135, 20508405]

約数ペア:

[(1, 20508405), (3, 6836135), (5, 4101681), (15, 1367227), (41, 500205), (123, 166735), (205, 100041), (615, 33347)]