20681936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117511}}^1$

素因数の和:117530

約数の個数: 20

約数和(自身を含む): 43714464

約数和(自身を除く): 23032528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117511, 235022, 470044, 940088, 1292621, 1880176, 2585242, 5170484, 10340968, 20681936]

約数ペア:

[(1, 20681936), (2, 10340968), (4, 5170484), (8, 2585242), (11, 1880176), (16, 1292621), (22, 940088), (44, 470044), (88, 235022), (176, 117511)]