20508714340

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{712603}}^1$

素因数の和:714051

約数の個数: 24

約数和(自身を含む): 43098289920

約数和(自身を除く): 22589575580

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 14390, 28780, 712603, 1425206, 2850412, 3563015, 7126030, 14252060, 1025435717, 2050871434, 4101742868, 5127178585, 10254357170, 20508714340]

約数ペア:

[(1, 20508714340), (2, 10254357170), (4, 5127178585), (5, 4101742868), (10, 2050871434), (20, 1025435717), (1439, 14252060), (2878, 7126030), (5756, 3563015), (7195, 2850412), (14390, 1425206), (28780, 712603)]