20015685788

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1\times {\mathrm{17911}}^1$

素因数の和:18402

約数の個数: 48

約数和(自身を含む): 40516084224

約数和(自身を除く): 20500398436

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 373, 428, 746, 749, 1492, 1498, 2611, 2996, 5222, 10444, 17911, 35822, 39911, 71644, 79822, 125377, 159644, 250754, 279377, 501508, 558754, 1117508, 1916477, 3832954, 6680803, 7665908, 13361606, 13415339, 26723212, 26830678, 46765621, 53661356, 93531242, 187062484, 714845921, 1429691842, 2859383684, 5003921447, 10007842894, 20015685788]

約数ペア:

[(1, 20015685788), (2, 10007842894), (4, 5003921447), (7, 2859383684), (14, 1429691842), (28, 714845921), (107, 187062484), (214, 93531242), (373, 53661356), (428, 46765621), (746, 26830678), (749, 26723212), (1492, 13415339), (1498, 13361606), (2611, 7665908), (2996, 6680803), (5222, 3832954), (10444, 1916477), (17911, 1117508), (35822, 558754), (39911, 501508), (71644, 279377), (79822, 250754), (125377, 159644)]