20809367047

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1\times {\mathrm{1451}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 25000233984

約数和(自身を除く): 4190866937

約数列:

[1, 7, 23, 161, 281, 317, 1451, 1967, 2219, 6463, 7291, 10157, 33373, 45241, 51037, 89077, 233611, 407731, 459967, 623539, 2048771, 2854117, 3219769, 9377813, 10579241, 14341397, 65644691, 74054687, 129250727, 904755089, 2972766721, 20809367047]

約数ペア:

[(1, 20809367047), (7, 2972766721), (23, 904755089), (161, 129250727), (281, 74054687), (317, 65644691), (1451, 14341397), (1967, 10579241), (2219, 9377813), (6463, 3219769), (7291, 2854117), (10157, 2048771), (33373, 623539), (45241, 459967), (51037, 407731), (89077, 233611)]