20834780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45293}}^1$

素因数の和:45325

約数の個数: 24

約数和(自身を含む): 45656352

約数和(自身を除く): 24821572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45293, 90586, 181172, 226465, 452930, 905860, 1041739, 2083478, 4166956, 5208695, 10417390, 20834780]

約数ペア:

[(1, 20834780), (2, 10417390), (4, 5208695), (5, 4166956), (10, 2083478), (20, 1041739), (23, 905860), (46, 452930), (92, 226465), (115, 181172), (230, 90586), (460, 45293)]