20353911

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1307}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 28252800

約数和(自身を除く): 7898889

約数列:

[1, 3, 29, 87, 179, 537, 1307, 3921, 5191, 15573, 37903, 113709, 233953, 701859, 6784637, 20353911]

約数ペア:

[(1, 20353911), (3, 6784637), (29, 701859), (87, 233953), (179, 113709), (537, 37903), (1307, 15573), (3921, 5191)]