20075937

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3389

約数の個数: 24

約数和(自身を含む): 31907232

約数和(自身を除く): 11831295

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3331, 6027, 9993, 23317, 69951, 136571, 163219, 409713, 489657, 955997, 2867991, 6691979, 20075937]

約数ペア:

[(1, 20075937), (3, 6691979), (7, 2867991), (21, 955997), (41, 489657), (49, 409713), (123, 163219), (147, 136571), (287, 69951), (861, 23317), (2009, 9993), (3331, 6027)]