20799268

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32297}}^1$

素因数の和:32331

約数の個数: 24

約数和(自身を含む): 43408512

約数和(自身を除く): 22609244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32297, 64594, 129188, 226079, 452158, 742831, 904316, 1485662, 2971324, 5199817, 10399634, 20799268]

約数ペア:

[(1, 20799268), (2, 10399634), (4, 5199817), (7, 2971324), (14, 1485662), (23, 904316), (28, 742831), (46, 452158), (92, 226079), (161, 129188), (322, 64594), (644, 32297)]