20927839972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:869

約数の個数: 96

約数和(自身を含む): 41306840064

約数和(自身を除く): 20379000092

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 137, 193, 274, 386, 403, 491, 548, 772, 806, 982, 1612, 1781, 1964, 2509, 3562, 4247, 5018, 5983, 6383, 7124, 8494, 10036, 11966, 12766, 15221, 16988, 23932, 25532, 26441, 30442, 52882, 55211, 60884, 67267, 77779, 94763, 105764, 110422, 134534, 155558, 189526, 197873, 220844, 269068, 311116, 343733, 379052, 395746, 687466, 791492, 819671, 874471, 1231919, 1374932, 1639342, 1748942, 2085277, 2463838, 2937653, 3278684, 3497884, 4170554, 4927676, 5875306, 8341108, 10655723, 11750612, 12982531, 21311446, 25965062, 27108601, 38189489, 42622892, 51930124, 54217202, 76378978, 108434404, 152757956, 168772903, 337545806, 402458461, 675091612, 804916922, 1609833844, 5231959993, 10463919986, 20927839972]

約数ペア:

[(1, 20927839972), (2, 10463919986), (4, 5231959993), (13, 1609833844), (26, 804916922), (31, 675091612), (52, 402458461), (62, 337545806), (124, 168772903), (137, 152757956), (193, 108434404), (274, 76378978), (386, 54217202), (403, 51930124), (491, 42622892), (548, 38189489), (772, 27108601), (806, 25965062), (982, 21311446), (1612, 12982531), (1781, 11750612), (1964, 10655723), (2509, 8341108), (3562, 5875306), (4247, 4927676), (5018, 4170554), (5983, 3497884), (6383, 3278684), (7124, 2937653), (8494, 2463838), (10036, 2085277), (11966, 1748942), (12766, 1639342), (15221, 1374932), (16988, 1231919), (23932, 874471), (25532, 819671), (26441, 791492), (30442, 687466), (52882, 395746), (55211, 379052), (60884, 343733), (67267, 311116), (77779, 269068), (94763, 220844), (105764, 197873), (110422, 189526), (134534, 155558)]