20968917

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1129}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 28855680

約数和(自身を除く): 7886763

約数列:

[1, 3, 41, 123, 151, 453, 1129, 3387, 6191, 18573, 46289, 138867, 170479, 511437, 6989639, 20968917]

約数ペア:

[(1, 20968917), (3, 6989639), (41, 511437), (123, 170479), (151, 138867), (453, 46289), (1129, 18573), (3387, 6191)]