20728873

素因数分解:

${\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{1051}}^1$

素因数の和:1236

約数の個数: 12

約数和(自身を含む): 22946224

約数和(自身を除く): 2217351

約数列:

[1, 11, 121, 163, 1051, 1793, 11561, 19723, 127171, 171313, 1884443, 20728873]

約数ペア:

[(1, 20728873), (11, 1884443), (121, 171313), (163, 127171), (1051, 19723), (1793, 11561)]