20916884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73651}}^1$

素因数の和:73726

約数の個数: 12

約数和(自身を含む): 37120608

約数和(自身を除く): 16203724

約数列:

[1, 2, 4, 71, 142, 284, 73651, 147302, 294604, 5229221, 10458442, 20916884]

約数ペア:

[(1, 20916884), (2, 10458442), (4, 5229221), (71, 294604), (142, 147302), (284, 73651)]