20855265

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33911}}^1$

素因数の和:33960

約数の個数: 16

約数和(自身を含む): 34183296

約数和(自身を除く): 13328031

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33911, 101733, 169555, 508665, 1390351, 4171053, 6951755, 20855265]

約数ペア:

[(1, 20855265), (3, 6951755), (5, 4171053), (15, 1390351), (41, 508665), (123, 169555), (205, 101733), (615, 33911)]