20239568

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30853}}^1$

素因数の和:30902

約数の個数: 20

約数和(自身を含む): 40171908

約数和(自身を除く): 19932340

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30853, 61706, 123412, 246824, 493648, 1264973, 2529946, 5059892, 10119784, 20239568]

約数ペア:

[(1, 20239568), (2, 10119784), (4, 5059892), (8, 2529946), (16, 1264973), (41, 493648), (82, 246824), (164, 123412), (328, 61706), (656, 30853)]