20578444

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14251}}^1$

素因数の和:14293

約数の個数: 18

約数和(自身を含む): 38010084

約数和(自身を除く): 17431640

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14251, 28502, 57004, 270769, 541538, 1083076, 5144611, 10289222, 20578444]

約数ペア:

[(1, 20578444), (2, 10289222), (4, 5144611), (19, 1083076), (38, 541538), (76, 270769), (361, 57004), (722, 28502), (1444, 14251)]