20512652517

素因数分解:

$3^3\times 7^1\times {\mathrm{3907}}^1\times {\mathrm{27779}}^1$

素因数の和:31702

約数の個数: 32

約数和(自身を含む): 34740556800

約数和(自身を除く): 14227904283

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 3907, 11721, 27349, 27779, 35163, 82047, 83337, 105489, 194453, 246141, 250011, 583359, 738423, 750033, 1750077, 5250231, 108532553, 325597659, 759727871, 976792977, 2279183613, 2930378931, 6837550839, 20512652517]

約数ペア:

[(1, 20512652517), (3, 6837550839), (7, 2930378931), (9, 2279183613), (21, 976792977), (27, 759727871), (63, 325597659), (189, 108532553), (3907, 5250231), (11721, 1750077), (27349, 750033), (27779, 738423), (35163, 583359), (82047, 250011), (83337, 246141), (105489, 194453)]