20482791

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5449}}^1$

素因数の和:5638

約数の個数: 16

約数和(自身を含む): 31392000

約数和(自身を除く): 10909209

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 5449, 16347, 38143, 114429, 975371, 2926113, 6827597, 20482791]

約数ペア:

[(1, 20482791), (3, 6827597), (7, 2926113), (21, 975371), (179, 114429), (537, 38143), (1253, 16347), (3759, 5449)]