20466556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1009}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 39196080

約数和(自身を除く): 18729524

約数列:

[1, 2, 4, 11, 22, 44, 461, 922, 1009, 1844, 2018, 4036, 5071, 10142, 11099, 20284, 22198, 44396, 465149, 930298, 1860596, 5116639, 10233278, 20466556]

約数ペア:

[(1, 20466556), (2, 10233278), (4, 5116639), (11, 1860596), (22, 930298), (44, 465149), (461, 44396), (922, 22198), (1009, 20284), (1844, 11099), (2018, 10142), (4036, 5071)]