20657285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10151}}^1$

素因数の和:10204

約数の個数: 16

約数和(自身を含む): 27775872

約数和(自身を除く): 7118587

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10151, 50755, 111661, 375587, 558305, 1877935, 4131457, 20657285]

約数ペア:

[(1, 20657285), (5, 4131457), (11, 1877935), (37, 558305), (55, 375587), (185, 111661), (407, 50755), (2035, 10151)]