20785597623

素因数分解:

$3^3\times 7^1\times {\mathrm{3467}}^1\times {\mathrm{31721}}^1$

素因数の和:35204

約数の個数: 32

約数和(自身を含む): 35203806720

約数和(自身を除く): 14418209097

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 3467, 10401, 24269, 31203, 31721, 72807, 93609, 95163, 218421, 222047, 285489, 655263, 666141, 856467, 1998423, 5995269, 109976707, 329930121, 769836949, 989790363, 2309510847, 2969371089, 6928532541, 20785597623]

約数ペア:

[(1, 20785597623), (3, 6928532541), (7, 2969371089), (9, 2309510847), (21, 989790363), (27, 769836949), (63, 329930121), (189, 109976707), (3467, 5995269), (10401, 1998423), (24269, 856467), (31203, 666141), (31721, 655263), (72807, 285489), (93609, 222047), (95163, 218421)]