20888934808

素因数分解:

$2^3\times 7^2\times {\mathrm{2161}}^1\times {\mathrm{24659}}^1$

素因数の和:26840

約数の個数: 48

約数和(自身を含む): 45584256600

約数和(自身を除く): 24695321792

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 2161, 4322, 8644, 15127, 17288, 24659, 30254, 49318, 60508, 98636, 105889, 121016, 172613, 197272, 211778, 345226, 423556, 690452, 847112, 1208291, 1380904, 2416582, 4833164, 9666328, 53288099, 106576198, 213152396, 373016693, 426304792, 746033386, 1492066772, 2611116851, 2984133544, 5222233702, 10444467404, 20888934808]

約数ペア:

[(1, 20888934808), (2, 10444467404), (4, 5222233702), (7, 2984133544), (8, 2611116851), (14, 1492066772), (28, 746033386), (49, 426304792), (56, 373016693), (98, 213152396), (196, 106576198), (392, 53288099), (2161, 9666328), (4322, 4833164), (8644, 2416582), (15127, 1380904), (17288, 1208291), (24659, 847112), (30254, 690452), (49318, 423556), (60508, 345226), (98636, 211778), (105889, 197272), (121016, 172613)]