20975103

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 31943808

約数和(自身を除く): 10968705

約数列:

[1, 3, 9, 23, 69, 107, 207, 321, 947, 963, 2461, 2841, 7383, 8523, 21781, 22149, 65343, 101329, 196029, 303987, 911961, 2330567, 6991701, 20975103]

約数ペア:

[(1, 20975103), (3, 6991701), (9, 2330567), (23, 911961), (69, 303987), (107, 196029), (207, 101329), (321, 65343), (947, 22149), (963, 21781), (2461, 8523), (2841, 7383)]