20346486290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12039341}}^1$

素因数の和:12039374

約数の個数: 24

約数和(自身を含む): 39657592548

約数和(自身を除く): 19311106258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12039341, 24078682, 60196705, 120393410, 156511433, 313022866, 782557165, 1565114330, 2034648629, 4069297258, 10173243145, 20346486290]

約数ペア:

[(1, 20346486290), (2, 10173243145), (5, 4069297258), (10, 2034648629), (13, 1565114330), (26, 782557165), (65, 313022866), (130, 156511433), (169, 120393410), (338, 60196705), (845, 24078682), (1690, 12039341)]