20806737132

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1\times {\mathrm{919}}^1$

素因数の和:1643

約数の個数: 96

約数和(自身を含む): 51520000000

約数和(自身を除く): 30713262868

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 199, 228, 398, 499, 597, 796, 919, 998, 1194, 1497, 1838, 1996, 2388, 2757, 2994, 3676, 3781, 5514, 5988, 7562, 9481, 11028, 11343, 15124, 17461, 18962, 22686, 28443, 34922, 37924, 45372, 52383, 56886, 69844, 99301, 104766, 113772, 182881, 198602, 209532, 297903, 365762, 397204, 458581, 548643, 595806, 731524, 917162, 1097286, 1191612, 1375743, 1834324, 1886719, 2194572, 2751486, 3474739, 3773438, 5502972, 5660157, 6949478, 7546876, 8713039, 10424217, 11320314, 13898956, 17426078, 20848434, 22640628, 26139117, 34852156, 41696868, 52278234, 91257619, 104556468, 182515238, 273772857, 365030476, 547545714, 1095091428, 1733894761, 3467789522, 5201684283, 6935579044, 10403368566, 20806737132]

約数ペア:

[(1, 20806737132), (2, 10403368566), (3, 6935579044), (4, 5201684283), (6, 3467789522), (12, 1733894761), (19, 1095091428), (38, 547545714), (57, 365030476), (76, 273772857), (114, 182515238), (199, 104556468), (228, 91257619), (398, 52278234), (499, 41696868), (597, 34852156), (796, 26139117), (919, 22640628), (998, 20848434), (1194, 17426078), (1497, 13898956), (1838, 11320314), (1996, 10424217), (2388, 8713039), (2757, 7546876), (2994, 6949478), (3676, 5660157), (3781, 5502972), (5514, 3773438), (5988, 3474739), (7562, 2751486), (9481, 2194572), (11028, 1886719), (11343, 1834324), (15124, 1375743), (17461, 1191612), (18962, 1097286), (22686, 917162), (28443, 731524), (34922, 595806), (37924, 548643), (45372, 458581), (52383, 397204), (56886, 365762), (69844, 297903), (99301, 209532), (104766, 198602), (113772, 182881)]