20179857

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{503}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 7495791

約数列:

[1, 3, 43, 129, 311, 503, 933, 1509, 13373, 21629, 40119, 64887, 156433, 469299, 6726619, 20179857]

約数ペア:

[(1, 20179857), (3, 6726619), (43, 469299), (129, 156433), (311, 64887), (503, 40119), (933, 21629), (1509, 13373)]