20885280651

素因数分解:

$3^6\times {\mathrm{1229}}^1\times {\mathrm{23311}}^1$

素因数の和:24558

約数の個数: 28

約数和(自身を含む): 31340419680

約数和(自身を除く): 10455139029

約数列:

[1, 3, 9, 27, 81, 243, 729, 1229, 3687, 11061, 23311, 33183, 69933, 99549, 209799, 298647, 629397, 895941, 1888191, 5664573, 16993719, 28649219, 85947657, 257842971, 773528913, 2320586739, 6961760217, 20885280651]

約数ペア:

[(1, 20885280651), (3, 6961760217), (9, 2320586739), (27, 773528913), (81, 257842971), (243, 85947657), (729, 28649219), (1229, 16993719), (3687, 5664573), (11061, 1888191), (23311, 895941), (33183, 629397), (69933, 298647), (99549, 209799)]