20491184

素因数分解:

$2^4\times 7^1\times {\mathrm{182957}}^1$

素因数の和:182972

約数の個数: 20

約数和(自身を含む): 45373584

約数和(自身を除く): 24882400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182957, 365914, 731828, 1280699, 1463656, 2561398, 2927312, 5122796, 10245592, 20491184]

約数ペア:

[(1, 20491184), (2, 10245592), (4, 5122796), (7, 2927312), (8, 2561398), (14, 1463656), (16, 1280699), (28, 731828), (56, 365914), (112, 182957)]