20828995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22277}}^1$

素因数の和:22310

約数の個数: 16

約数和(自身を含む): 28872288

約数和(自身を除く): 8043293

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22277, 111385, 245047, 378709, 1225235, 1893545, 4165799, 20828995]

約数ペア:

[(1, 20828995), (5, 4165799), (11, 1893545), (17, 1225235), (55, 378709), (85, 245047), (187, 111385), (935, 22277)]