20804730068

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{58440253}}^1$

素因数の和:58440346

約数の個数: 12

約数和(自身を含む): 36817360020

約数和(自身を除く): 16012629952

約数列:

[1, 2, 4, 89, 178, 356, 58440253, 116880506, 233761012, 5201182517, 10402365034, 20804730068]

約数ペア:

[(1, 20804730068), (2, 10402365034), (4, 5201182517), (89, 233761012), (178, 116880506), (356, 58440253)]