20091742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 34940160

約数和(自身を除く): 14848418

約数列:

[1, 2, 11, 22, 23, 46, 59, 118, 253, 506, 649, 673, 1298, 1346, 1357, 2714, 7403, 14806, 14927, 15479, 29854, 30958, 39707, 79414, 170269, 340538, 436777, 873554, 913261, 1826522, 10045871, 20091742]

約数ペア:

[(1, 20091742), (2, 10045871), (11, 1826522), (22, 913261), (23, 873554), (46, 436777), (59, 340538), (118, 170269), (253, 79414), (506, 39707), (649, 30958), (673, 29854), (1298, 15479), (1346, 14927), (1357, 14806), (2714, 7403)]