20867044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{733}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 39953088

約数和(自身を除く): 19086044

約数列:

[1, 2, 4, 11, 22, 44, 647, 733, 1294, 1466, 2588, 2932, 7117, 8063, 14234, 16126, 28468, 32252, 474251, 948502, 1897004, 5216761, 10433522, 20867044]

約数ペア:

[(1, 20867044), (2, 10433522), (4, 5216761), (11, 1897004), (22, 948502), (44, 474251), (647, 32252), (733, 28468), (1294, 16126), (1466, 14234), (2588, 8063), (2932, 7117)]