20697246

素因数分解:

$2^1\times 3^2\times {\mathrm{521}}^1\times {\mathrm{2207}}^1$

素因数の和:2736

約数の個数: 24

約数和(自身を含む): 44950464

約数和(自身を除く): 24253218

約数列:

[1, 2, 3, 6, 9, 18, 521, 1042, 1563, 2207, 3126, 4414, 4689, 6621, 9378, 13242, 19863, 39726, 1149847, 2299694, 3449541, 6899082, 10348623, 20697246]

約数ペア:

[(1, 20697246), (2, 10348623), (3, 6899082), (6, 3449541), (9, 2299694), (18, 1149847), (521, 39726), (1042, 19863), (1563, 13242), (2207, 9378), (3126, 6621), (4414, 4689)]