20882541

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 28728000

約数和(自身を除く): 7845459

約数列:

[1, 3, 37, 111, 419, 449, 1257, 1347, 15503, 16613, 46509, 49839, 188131, 564393, 6960847, 20882541]

約数ペア:

[(1, 20882541), (3, 6960847), (37, 564393), (111, 188131), (419, 49839), (449, 46509), (1257, 16613), (1347, 15503)]