20137287

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4219}}^1$

素因数の和:4302

約数の個数: 16

約数和(自身を含む): 28223360

約数和(自身を除く): 8086073

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4219, 4773, 12657, 156103, 181417, 468309, 544251, 6712429, 20137287]

約数ペア:

[(1, 20137287), (3, 6712429), (37, 544251), (43, 468309), (111, 181417), (129, 156103), (1591, 12657), (4219, 4773)]