20840454

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{60937}}^1$

素因数の和:60964

約数の個数: 24

約数和(自身を含む): 47531640

約数和(自身を除く): 26691186

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 60937, 121874, 182811, 365622, 548433, 1096866, 1157803, 2315606, 3473409, 6946818, 10420227, 20840454]

約数ペア:

[(1, 20840454), (2, 10420227), (3, 6946818), (6, 3473409), (9, 2315606), (18, 1157803), (19, 1096866), (38, 548433), (57, 365622), (114, 182811), (171, 121874), (342, 60937)]