20665078

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22031}}^1$

素因数の和:22107

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 15291146

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22031, 44062, 154217, 308434, 1476077, 2952154, 10332539, 20665078]

約数ペア:

[(1, 20665078), (2, 10332539), (7, 2952154), (14, 1476077), (67, 308434), (134, 154217), (469, 44062), (938, 22031)]