20554828

素因数分解:

$2^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2729}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 20722772

約数列:

[1, 2, 4, 7, 14, 28, 269, 538, 1076, 1883, 2729, 3766, 5458, 7532, 10916, 19103, 38206, 76412, 734101, 1468202, 2936404, 5138707, 10277414, 20554828]

約数ペア:

[(1, 20554828), (2, 10277414), (4, 5138707), (7, 2936404), (14, 1468202), (28, 734101), (269, 76412), (538, 38206), (1076, 19103), (1883, 10916), (2729, 7532), (3766, 5458)]