20650959

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2011}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 34316672

約数和(自身を除く): 13665713

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 2011, 3423, 6033, 10269, 14077, 18099, 42231, 126693, 327793, 983379, 2294551, 2950137, 6883653, 20650959]

約数ペア:

[(1, 20650959), (3, 6883653), (7, 2950137), (9, 2294551), (21, 983379), (63, 327793), (163, 126693), (489, 42231), (1141, 18099), (1467, 14077), (2011, 10269), (3423, 6033)]