20943945197

素因数分解:

$7^2\times {\mathrm{1109}}^1\times {\mathrm{385417}}^1$

素因数の和:386540

約数の個数: 12

約数和(自身を含む): 24385396860

約数和(自身を除く): 3441451663

約数列:

[1, 7, 49, 1109, 7763, 54341, 385417, 2697919, 18885433, 427427453, 2991992171, 20943945197]

約数ペア:

[(1, 20943945197), (7, 2991992171), (49, 427427453), (1109, 18885433), (7763, 2697919), (54341, 385417)]