20121588861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{240341}}^1$

素因数の和:240457

約数の個数: 32

約数和(自身を含む): 30456138240

約数和(自身を除く): 10334549379

約数列:

[1, 3, 11, 33, 43, 59, 129, 177, 473, 649, 1419, 1947, 2537, 7611, 27907, 83721, 240341, 721023, 2643751, 7931253, 10334663, 14180119, 31003989, 42540357, 113681293, 155981309, 341043879, 467943927, 609745117, 1829235351, 6707196287, 20121588861]

約数ペア:

[(1, 20121588861), (3, 6707196287), (11, 1829235351), (33, 609745117), (43, 467943927), (59, 341043879), (129, 155981309), (177, 113681293), (473, 42540357), (649, 31003989), (1419, 14180119), (1947, 10334663), (2537, 7931253), (7611, 2643751), (27907, 721023), (83721, 240341)]