20544205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5261}}^1$

素因数の和:5348

約数の個数: 16

約数和(自身を含む): 27278208

約数和(自身を除く): 6734003

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5261, 26305, 57871, 289355, 373531, 1867655, 4108841, 20544205]

約数ペア:

[(1, 20544205), (5, 4108841), (11, 1867655), (55, 373531), (71, 289355), (355, 57871), (781, 26305), (3905, 5261)]