20173312397

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{90863}}^1$

素因数の和:91097

約数の個数: 24

約数和(自身を含む): 24611786496

約数和(自身を除く): 4438474099

約数列:

[1, 7, 23, 49, 161, 197, 1127, 1379, 4531, 9653, 31717, 90863, 222019, 636041, 2089849, 4452287, 14628943, 17900011, 102402601, 125300077, 411700253, 877100539, 2881901771, 20173312397]

約数ペア:

[(1, 20173312397), (7, 2881901771), (23, 877100539), (49, 411700253), (161, 125300077), (197, 102402601), (1127, 17900011), (1379, 14628943), (4531, 4452287), (9653, 2089849), (31717, 636041), (90863, 222019)]