20168022789

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{284341}}^1$

素因数の和:284458

約数の個数: 32

約数和(自身を含む): 31118388480

約数和(自身を除く): 10950365691

約数列:

[1, 3, 9, 27, 37, 71, 111, 213, 333, 639, 999, 1917, 2627, 7881, 23643, 70929, 284341, 853023, 2559069, 7677207, 10520617, 20188211, 31561851, 60564633, 94685553, 181693899, 284056659, 545081697, 746963807, 2240891421, 6722674263, 20168022789]

約数ペア:

[(1, 20168022789), (3, 6722674263), (9, 2240891421), (27, 746963807), (37, 545081697), (71, 284056659), (111, 181693899), (213, 94685553), (333, 60564633), (639, 31561851), (999, 20188211), (1917, 10520617), (2627, 7677207), (7881, 2559069), (23643, 853023), (70929, 284341)]