20993119

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{22549}}^1$

素因数の和:22582

約数の個数: 12

約数和(自身を含む): 25707000

約数和(自身を除く): 4713881

約数列:

[1, 7, 19, 49, 133, 931, 22549, 157843, 428431, 1104901, 2999017, 20993119]

約数ペア:

[(1, 20993119), (7, 2999017), (19, 1104901), (49, 428431), (133, 157843), (931, 22549)]