20668801838

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1\times {\mathrm{91691}}^1$

素因数の和:94483

約数の個数: 16

約数和(自身を含む): 31771278000

約数和(自身を除く): 11102476162

約数列:

[1, 2, 41, 82, 2749, 5498, 91691, 112709, 183382, 225418, 3759331, 7518662, 252058559, 504117118, 10334400919, 20668801838]

約数ペア:

[(1, 20668801838), (2, 10334400919), (41, 504117118), (82, 252058559), (2749, 7518662), (5498, 3759331), (91691, 225418), (112709, 183382)]