20138392316

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 41313312768

約数和(自身を除く): 21174920452

約数列:

[1, 2, 4, 7, 14, 28, 103, 173, 181, 206, 223, 346, 362, 412, 446, 692, 721, 724, 892, 1211, 1267, 1442, 1561, 2422, 2534, 2884, 3122, 4844, 5068, 6244, 17819, 18643, 22969, 31313, 35638, 37286, 38579, 40363, 45938, 62626, 71276, 74572, 77158, 80726, 91876, 124733, 125252, 130501, 154316, 160783, 161452, 219191, 249466, 261002, 270053, 282541, 321566, 438382, 498932, 522004, 540106, 565082, 643132, 876764, 1080212, 1130164, 3225239, 3973637, 4157389, 6450478, 6982799, 7947274, 8314778, 12900956, 13965598, 15894548, 16629556, 22576673, 27815459, 27931196, 29101723, 45153346, 48879593, 55630918, 58203446, 90306692, 97759186, 111261836, 116406892, 195518372, 719228297, 1438456594, 2876913188, 5034598079, 10069196158, 20138392316]

約数ペア:

[(1, 20138392316), (2, 10069196158), (4, 5034598079), (7, 2876913188), (14, 1438456594), (28, 719228297), (103, 195518372), (173, 116406892), (181, 111261836), (206, 97759186), (223, 90306692), (346, 58203446), (362, 55630918), (412, 48879593), (446, 45153346), (692, 29101723), (721, 27931196), (724, 27815459), (892, 22576673), (1211, 16629556), (1267, 15894548), (1442, 13965598), (1561, 12900956), (2422, 8314778), (2534, 7947274), (2884, 6982799), (3122, 6450478), (4844, 4157389), (5068, 3973637), (6244, 3225239), (17819, 1130164), (18643, 1080212), (22969, 876764), (31313, 643132), (35638, 565082), (37286, 540106), (38579, 522004), (40363, 498932), (45938, 438382), (62626, 321566), (71276, 282541), (74572, 270053), (77158, 261002), (80726, 249466), (91876, 219191), (124733, 161452), (125252, 160783), (130501, 154316)]