20851246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42209}}^1$

素因数の和:42243

約数の個数: 16

約数和(自身を含む): 35456400

約数和(自身を除く): 14605154

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42209, 84418, 548717, 801971, 1097434, 1603942, 10425623, 20851246]

約数ペア:

[(1, 20851246), (2, 10425623), (13, 1603942), (19, 1097434), (26, 801971), (38, 548717), (247, 84418), (494, 42209)]