20396486

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1060

約数の個数: 24

約数和(自身を含む): 34042680

約数和(自身を除く): 13646194

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 947, 979, 1894, 1958, 10417, 10769, 20834, 21538, 84283, 114587, 168566, 229174, 927113, 1854226, 10198243, 20396486]

約数ペア:

[(1, 20396486), (2, 10198243), (11, 1854226), (22, 927113), (89, 229174), (121, 168566), (178, 114587), (242, 84283), (947, 21538), (979, 20834), (1894, 10769), (1958, 10417)]