20168272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66343}}^1$

素因数の和:66370

約数の個数: 20

約数和(自身を含む): 41133280

約数和(自身を除く): 20965008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66343, 132686, 265372, 530744, 1061488, 1260517, 2521034, 5042068, 10084136, 20168272]

約数ペア:

[(1, 20168272), (2, 10084136), (4, 5042068), (8, 2521034), (16, 1260517), (19, 1061488), (38, 530744), (76, 265372), (152, 132686), (304, 66343)]