20943003

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1$

素因数の和:1394

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 7797093

約数列:

[1, 3, 53, 107, 159, 321, 1231, 3693, 5671, 17013, 65243, 131717, 195729, 395151, 6981001, 20943003]

約数ペア:

[(1, 20943003), (3, 6981001), (53, 395151), (107, 195729), (159, 131717), (321, 65243), (1231, 17013), (3693, 5671)]