20480019

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57367}}^1$

素因数の和:57394

約数の個数: 16

約数和(自身を含む): 33043968

約数和(自身を除く): 12563949

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57367, 172101, 401569, 975239, 1204707, 2925717, 6826673, 20480019]

約数ペア:

[(1, 20480019), (3, 6826673), (7, 2925717), (17, 1204707), (21, 975239), (51, 401569), (119, 172101), (357, 57367)]