20999031

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 28574208

約数和(自身を除く): 7575177

約数列:

[1, 3, 71, 213, 311, 317, 933, 951, 22081, 22507, 66243, 67521, 98587, 295761, 6999677, 20999031]

約数ペア:

[(1, 20999031), (3, 6999677), (71, 295761), (213, 98587), (311, 67521), (317, 66243), (933, 22507), (951, 22081)]