20560581

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{5813}}^1$

素因数の和:5953

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 10137339

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 5813, 17439, 52317, 156951, 761503, 2284509, 6853527, 20560581]

約数ペア:

[(1, 20560581), (3, 6853527), (9, 2284509), (27, 761503), (131, 156951), (393, 52317), (1179, 17439), (3537, 5813)]