20409869984

素因数分解:

$2^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1\times {\mathrm{2099}}^1$

素因数の和:2722

約数の個数: 96

約数和(自身を含む): 46586534400

約数和(自身を除く): 26176664416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 83, 112, 166, 224, 332, 523, 581, 664, 1046, 1162, 1328, 2092, 2099, 2324, 2656, 3661, 4184, 4198, 4648, 7322, 8368, 8396, 9296, 14644, 14693, 16736, 16792, 18592, 29288, 29386, 33584, 43409, 58576, 58772, 67168, 86818, 117152, 117544, 173636, 174217, 235088, 303863, 347272, 348434, 470176, 607726, 694544, 696868, 1097777, 1215452, 1219519, 1389088, 1393736, 2195554, 2430904, 2439038, 2787472, 4391108, 4861808, 4878076, 5574944, 7684439, 8782216, 9723616, 9756152, 15368878, 17564432, 19512304, 30737756, 35128864, 39024608, 61475512, 91115491, 122951024, 182230982, 245902048, 364461964, 637808437, 728923928, 1275616874, 1457847856, 2551233748, 2915695712, 5102467496, 10204934992, 20409869984]

約数ペア:

[(1, 20409869984), (2, 10204934992), (4, 5102467496), (7, 2915695712), (8, 2551233748), (14, 1457847856), (16, 1275616874), (28, 728923928), (32, 637808437), (56, 364461964), (83, 245902048), (112, 182230982), (166, 122951024), (224, 91115491), (332, 61475512), (523, 39024608), (581, 35128864), (664, 30737756), (1046, 19512304), (1162, 17564432), (1328, 15368878), (2092, 9756152), (2099, 9723616), (2324, 8782216), (2656, 7684439), (3661, 5574944), (4184, 4878076), (4198, 4861808), (4648, 4391108), (7322, 2787472), (8368, 2439038), (8396, 2430904), (9296, 2195554), (14644, 1393736), (14693, 1389088), (16736, 1219519), (16792, 1215452), (18592, 1097777), (29288, 696868), (29386, 694544), (33584, 607726), (43409, 470176), (58576, 348434), (58772, 347272), (67168, 303863), (86818, 235088), (117152, 174217), (117544, 173636)]