20109873

素因数分解:

$3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1831}}^1$

素因数の和:2364

約数の個数: 16

約数和(自身を含む): 30718976

約数和(自身を除く): 10609103

約数列:

[1, 3, 7, 21, 523, 1569, 1831, 3661, 5493, 10983, 12817, 38451, 957613, 2872839, 6703291, 20109873]

約数ペア:

[(1, 20109873), (3, 6703291), (7, 2872839), (21, 957613), (523, 38451), (1569, 12817), (1831, 10983), (3661, 5493)]