20167479

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 30375072

約数和(自身を除く): 10207593

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 853, 2559, 2627, 7677, 7881, 23643, 31561, 60563, 94683, 181689, 284049, 545067, 2240831, 6722493, 20167479]

約数ペア:

[(1, 20167479), (3, 6722493), (9, 2240831), (37, 545067), (71, 284049), (111, 181689), (213, 94683), (333, 60563), (639, 31561), (853, 23643), (2559, 7881), (2627, 7677)]