20176681

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{17903}}^1$

素因数の和:17940

約数の個数: 12

約数和(自身を含む): 24492672

約数和(自身を除く): 4315991

約数列:

[1, 7, 23, 49, 161, 1127, 17903, 125321, 411769, 877247, 2882383, 20176681]

約数ペア:

[(1, 20176681), (7, 2882383), (23, 877247), (49, 411769), (161, 125321), (1127, 17903)]