20975253

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6043}}^1$

素因数の和:6148

約数の個数: 16

約数和(自身を含む): 30461760

約数和(自身を除く): 9486507

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 6043, 18129, 78559, 235677, 537827, 1613481, 6991751, 20975253]

約数ペア:

[(1, 20975253), (3, 6991751), (13, 1613481), (39, 537827), (89, 235677), (267, 78559), (1157, 18129), (3471, 6043)]