20829710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189361}}^1$

素因数の和:189379

約数の個数: 16

約数和(自身を含む): 40902192

約数和(自身を除く): 20072482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189361, 378722, 946805, 1893610, 2082971, 4165942, 10414855, 20829710]

約数ペア:

[(1, 20829710), (2, 10414855), (5, 4165942), (10, 2082971), (11, 1893610), (22, 946805), (55, 378722), (110, 189361)]