20552959

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3639041

約数列:

[1, 7, 47, 179, 329, 349, 1253, 2443, 8413, 16403, 58891, 62471, 114821, 437297, 2936137, 20552959]

約数ペア:

[(1, 20552959), (7, 2936137), (47, 437297), (179, 114821), (329, 62471), (349, 58891), (1253, 16403), (2443, 8413)]