20789629

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{433}}^1$

素因数の和:497

約数の個数: 16

約数和(自身を含む): 25137280

約数和(自身を除く): 4347651

約数列:

[1, 7, 19, 133, 361, 433, 2527, 3031, 6859, 8227, 48013, 57589, 156313, 1094191, 2969947, 20789629]

約数ペア:

[(1, 20789629), (7, 2969947), (19, 1094191), (133, 156313), (361, 57589), (433, 48013), (2527, 8227), (3031, 6859)]