20469087

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 30371328

約数和(自身を除く): 9902241

約数列:

[1, 3, 9, 71, 103, 213, 309, 311, 639, 927, 933, 2799, 7313, 21939, 22081, 32033, 65817, 66243, 96099, 198729, 288297, 2274343, 6823029, 20469087]

約数ペア:

[(1, 20469087), (3, 6823029), (9, 2274343), (71, 288297), (103, 198729), (213, 96099), (309, 66243), (311, 65817), (639, 32033), (927, 22081), (933, 21939), (2799, 7313)]