20408976009

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{348389}}^1$

素因数の和:348701

約数の個数: 24

約数和(自身を含む): 30870141120

約数和(自身を除く): 10461165111

約数列:

[1, 3, 9, 23, 69, 207, 283, 849, 2547, 6509, 19527, 58581, 348389, 1045167, 3135501, 8012947, 24038841, 72116523, 98594087, 295782261, 887346783, 2267664001, 6802992003, 20408976009]

約数ペア:

[(1, 20408976009), (3, 6802992003), (9, 2267664001), (23, 887346783), (69, 295782261), (207, 98594087), (283, 72116523), (849, 24038841), (2547, 8012947), (6509, 3135501), (19527, 1045167), (58581, 348389)]