20878134

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{80923}}^1$

素因数の和:80971

約数の個数: 16

約数和(自身を含む): 42727872

約数和(自身を除く): 21849738

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 80923, 161846, 242769, 485538, 3479689, 6959378, 10439067, 20878134]

約数ペア:

[(1, 20878134), (2, 10439067), (3, 6959378), (6, 3479689), (43, 485538), (86, 242769), (129, 161846), (258, 80923)]