20508849

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5981}}^1$

素因数の和:6117

約数の個数: 16

約数和(自身を含む): 30627840

約数和(自身を除く): 10118991

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5981, 17943, 53829, 161487, 759587, 2278761, 6836283, 20508849]

約数ペア:

[(1, 20508849), (3, 6836283), (9, 2278761), (27, 759587), (127, 161487), (381, 53829), (1143, 17943), (3429, 5981)]