20345661

素因数分解:

$3^8\times 7^1\times {\mathrm{443}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 34955232

約数和(自身を除く): 14609571

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 443, 567, 729, 1329, 1701, 2187, 3101, 3987, 5103, 6561, 9303, 11961, 15309, 27909, 35883, 45927, 83727, 107649, 251181, 322947, 753543, 968841, 2260629, 2906523, 6781887, 20345661]

約数ペア:

[(1, 20345661), (3, 6781887), (7, 2906523), (9, 2260629), (21, 968841), (27, 753543), (63, 322947), (81, 251181), (189, 107649), (243, 83727), (443, 45927), (567, 35883), (729, 27909), (1329, 15309), (1701, 11961), (2187, 9303), (3101, 6561), (3987, 5103)]