20872148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1619}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 19135372

約数列:

[1, 2, 4, 11, 22, 44, 293, 586, 1172, 1619, 3223, 3238, 6446, 6476, 12892, 17809, 35618, 71236, 474367, 948734, 1897468, 5218037, 10436074, 20872148]

約数ペア:

[(1, 20872148), (2, 10436074), (4, 5218037), (11, 1897468), (22, 948734), (44, 474367), (293, 71236), (586, 35618), (1172, 17809), (1619, 12892), (3223, 6476), (3238, 6446)]