20537144

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 39726720

約数和(自身を除く): 19189576

約数列:

[1, 2, 4, 8, 43, 86, 172, 227, 263, 344, 454, 526, 908, 1052, 1816, 2104, 9761, 11309, 19522, 22618, 39044, 45236, 59701, 78088, 90472, 119402, 238804, 477608, 2567143, 5134286, 10268572, 20537144]

約数ペア:

[(1, 20537144), (2, 10268572), (4, 5134286), (8, 2567143), (43, 477608), (86, 238804), (172, 119402), (227, 90472), (263, 78088), (344, 59701), (454, 45236), (526, 39044), (908, 22618), (1052, 19522), (1816, 11309), (2104, 9761)]