20887404

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{75679}}^1$

素因数の和:75709

約数の個数: 24

約数和(自身を含む): 50856960

約数和(自身を除く): 29969556

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 75679, 151358, 227037, 302716, 454074, 908148, 1740617, 3481234, 5221851, 6962468, 10443702, 20887404]

約数ペア:

[(1, 20887404), (2, 10443702), (3, 6962468), (4, 5221851), (6, 3481234), (12, 1740617), (23, 908148), (46, 454074), (69, 302716), (92, 227037), (138, 151358), (276, 75679)]