20394353

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 5871247

約数列:

[1, 7, 19, 23, 59, 113, 133, 161, 413, 437, 791, 1121, 1357, 2147, 2599, 3059, 6667, 7847, 9499, 15029, 18193, 25783, 46669, 49381, 126673, 153341, 180481, 345667, 886711, 1073387, 2913479, 20394353]

約数ペア:

[(1, 20394353), (7, 2913479), (19, 1073387), (23, 886711), (59, 345667), (113, 180481), (133, 153341), (161, 126673), (413, 49381), (437, 46669), (791, 25783), (1121, 18193), (1357, 15029), (2147, 9499), (2599, 7847), (3059, 6667)]