20178032907

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{2789}}^1\times {\mathrm{15971}}^1$

素因数の和:18914

約数の個数: 16

約数和(自身を含む): 27093623040

約数和(自身を除く): 6915590133

約数列:

[1, 3, 151, 453, 2789, 8367, 15971, 47913, 421139, 1263417, 2411621, 7234863, 44543119, 133629357, 6726010969, 20178032907]

約数ペア:

[(1, 20178032907), (3, 6726010969), (151, 133629357), (453, 44543119), (2789, 7234863), (8367, 2411621), (15971, 1263417), (47913, 421139)]