20540139

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{4073}}^1$

素因数の和:4158

約数の個数: 12

約数和(自身を含む): 28078008

約数和(自身を除く): 7537869

約数列:

[1, 3, 41, 123, 1681, 4073, 5043, 12219, 166993, 500979, 6846713, 20540139]

約数ペア:

[(1, 20540139), (3, 6846713), (41, 500979), (123, 166993), (1681, 12219), (4073, 5043)]