20939675

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 26998272

約数和(自身を除く): 6058597

約数列:

[1, 5, 25, 47, 71, 235, 251, 355, 1175, 1255, 1775, 3337, 6275, 11797, 16685, 17821, 58985, 83425, 89105, 294925, 445525, 837587, 4187935, 20939675]

約数ペア:

[(1, 20939675), (5, 4187935), (25, 837587), (47, 445525), (71, 294925), (235, 89105), (251, 83425), (355, 58985), (1175, 17821), (1255, 16685), (1775, 11797), (3337, 6275)]