20408965173

素因数分解:

$3^6\times {\mathrm{701}}^1\times {\mathrm{39937}}^1$

素因数の和:40656

約数の個数: 28

約数和(自身を含む): 30643868268

約数和(自身を除く): 10234903095

約数列:

[1, 3, 9, 27, 81, 243, 701, 729, 2103, 6309, 18927, 39937, 56781, 119811, 170343, 359433, 511029, 1078299, 3234897, 9704691, 27995837, 29114073, 83987511, 251962533, 755887599, 2267662797, 6802988391, 20408965173]

約数ペア:

[(1, 20408965173), (3, 6802988391), (9, 2267662797), (27, 755887599), (81, 251962533), (243, 83987511), (701, 29114073), (729, 27995837), (2103, 9704691), (6309, 3234897), (18927, 1078299), (39937, 511029), (56781, 359433), (119811, 170343)]