20911353

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 7828743

約数列:

[1, 3, 41, 123, 197, 591, 863, 2589, 8077, 24231, 35383, 106149, 170011, 510033, 6970451, 20911353]

約数ペア:

[(1, 20911353), (3, 6970451), (41, 510033), (123, 170011), (197, 106149), (591, 35383), (863, 24231), (2589, 8077)]