20863743

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{709}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 29547360

約数和(自身を除く): 8683617

約数列:

[1, 3, 17, 51, 577, 709, 1731, 2127, 9809, 12053, 29427, 36159, 409093, 1227279, 6954581, 20863743]

約数ペア:

[(1, 20863743), (3, 6954581), (17, 1227279), (51, 409093), (577, 36159), (709, 29427), (1731, 12053), (2127, 9809)]