20749134

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11489}}^1$

素因数の和:11544

約数の個数: 32

約数和(自身を含む): 48533760

約数和(自身を除く): 27784626

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11489, 22978, 34467, 68934, 80423, 160846, 241269, 482538, 494027, 988054, 1482081, 2964162, 3458189, 6916378, 10374567, 20749134]

約数ペア:

[(1, 20749134), (2, 10374567), (3, 6916378), (6, 3458189), (7, 2964162), (14, 1482081), (21, 988054), (42, 494027), (43, 482538), (86, 241269), (129, 160846), (258, 80423), (301, 68934), (602, 34467), (903, 22978), (1806, 11489)]