20412818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13552750

約数列:

[1, 2, 17, 31, 34, 62, 107, 181, 214, 362, 527, 1054, 1819, 3077, 3317, 3638, 5611, 6154, 6634, 11222, 19367, 38734, 56389, 95387, 112778, 190774, 329239, 600377, 658478, 1200754, 10206409, 20412818]

約数ペア:

[(1, 20412818), (2, 10206409), (17, 1200754), (31, 658478), (34, 600377), (62, 329239), (107, 190774), (181, 112778), (214, 95387), (362, 56389), (527, 38734), (1054, 19367), (1819, 11222), (3077, 6634), (3317, 6154), (3638, 5611)]