20670138

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{3181}}^1$

素因数の和:3227

約数の個数: 36

約数和(自身を含む): 47281338

約数和(自身を除く): 26611200

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3181, 3249, 6362, 6498, 9543, 19086, 28629, 57258, 60439, 120878, 181317, 362634, 543951, 1087902, 1148341, 2296682, 3445023, 6890046, 10335069, 20670138]

約数ペア:

[(1, 20670138), (2, 10335069), (3, 6890046), (6, 3445023), (9, 2296682), (18, 1148341), (19, 1087902), (38, 543951), (57, 362634), (114, 181317), (171, 120878), (342, 60439), (361, 57258), (722, 28629), (1083, 19086), (2166, 9543), (3181, 6498), (3249, 6362)]