20164575568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{32359}}^1$

素因数の和:32492

約数の個数: 80

約数和(自身を含む): 43336512000

約数和(自身を除く): 23171936432

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 79, 116, 136, 158, 232, 272, 316, 464, 493, 632, 986, 1264, 1343, 1972, 2291, 2686, 3944, 4582, 5372, 7888, 9164, 10744, 18328, 21488, 32359, 36656, 38947, 64718, 77894, 129436, 155788, 258872, 311576, 517744, 550103, 623152, 938411, 1100206, 1876822, 2200412, 2556361, 3753644, 4400824, 5112722, 7507288, 8801648, 10225444, 15014576, 15952987, 20450888, 31905974, 40901776, 43458137, 63811948, 74134469, 86916274, 127623896, 148268938, 173832548, 255247792, 296537876, 347665096, 593075752, 695330192, 1186151504, 1260285973, 2520571946, 5041143892, 10082287784, 20164575568]

約数ペア:

[(1, 20164575568), (2, 10082287784), (4, 5041143892), (8, 2520571946), (16, 1260285973), (17, 1186151504), (29, 695330192), (34, 593075752), (58, 347665096), (68, 296537876), (79, 255247792), (116, 173832548), (136, 148268938), (158, 127623896), (232, 86916274), (272, 74134469), (316, 63811948), (464, 43458137), (493, 40901776), (632, 31905974), (986, 20450888), (1264, 15952987), (1343, 15014576), (1972, 10225444), (2291, 8801648), (2686, 7507288), (3944, 5112722), (4582, 4400824), (5372, 3753644), (7888, 2556361), (9164, 2200412), (10744, 1876822), (18328, 1100206), (21488, 938411), (32359, 623152), (36656, 550103), (38947, 517744), (64718, 311576), (77894, 258872), (129436, 155788)]