20838549

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4591}}^1$

素因数の和:4700

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 8917611

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4591, 13773, 78047, 234141, 408599, 1225797, 6946183, 20838549]

約数ペア:

[(1, 20838549), (3, 6946183), (17, 1225797), (51, 408599), (89, 234141), (267, 78047), (1513, 13773), (4539, 4591)]