20895453

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{16703}}^1$

素因数の和:16848

約数の個数: 12

約数和(自身を含む): 30401280

約数和(自身を除く): 9505827

約数列:

[1, 3, 9, 139, 417, 1251, 16703, 50109, 150327, 2321717, 6965151, 20895453]

約数ペア:

[(1, 20895453), (3, 6965151), (9, 2321717), (139, 150327), (417, 50109), (1251, 16703)]