20922040321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1\times {\mathrm{8081}}^1$

素因数の和:9361

約数の個数: 32

約数和(自身を含む): 26894827008

約数和(自身を除く): 5972786687

約数列:

[1, 7, 13, 23, 91, 161, 299, 1237, 2093, 8081, 8659, 16081, 28451, 56567, 105053, 112567, 185863, 199157, 369863, 735371, 1301041, 2416219, 2589041, 9996197, 16913533, 69973379, 129950561, 229912531, 909653927, 1609387717, 2988862903, 20922040321]

約数ペア:

[(1, 20922040321), (7, 2988862903), (13, 1609387717), (23, 909653927), (91, 229912531), (161, 129950561), (299, 69973379), (1237, 16913533), (2093, 9996197), (8081, 2589041), (8659, 2416219), (16081, 1301041), (28451, 735371), (56567, 369863), (105053, 199157), (112567, 185863)]