20804943

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{953}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 29306880

約数和(自身を除く): 8501937

約数列:

[1, 3, 19, 57, 383, 953, 1149, 2859, 7277, 18107, 21831, 54321, 364999, 1094997, 6934981, 20804943]

約数ペア:

[(1, 20804943), (3, 6934981), (19, 1094997), (57, 364999), (383, 54321), (953, 21831), (1149, 18107), (2859, 7277)]