20178666

素因数分解:

$2^1\times 3^3\times {\mathrm{433}}^1\times {\mathrm{863}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24818454

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 433, 863, 866, 1299, 1726, 2589, 2598, 3897, 5178, 7767, 7794, 11691, 15534, 23301, 23382, 46602, 373679, 747358, 1121037, 2242074, 3363111, 6726222, 10089333, 20178666]

約数ペア:

[(1, 20178666), (2, 10089333), (3, 6726222), (6, 3363111), (9, 2242074), (18, 1121037), (27, 747358), (54, 373679), (433, 46602), (863, 23382), (866, 23301), (1299, 15534), (1726, 11691), (2589, 7794), (2598, 7767), (3897, 5178)]