20830264

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 29765576

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 71, 91, 104, 124, 142, 169, 182, 217, 248, 284, 338, 364, 403, 434, 497, 568, 676, 728, 806, 868, 923, 994, 1183, 1352, 1612, 1736, 1846, 1988, 2201, 2366, 2821, 3224, 3692, 3976, 4402, 4732, 5239, 5642, 6461, 7384, 8804, 9464, 10478, 11284, 11999, 12922, 15407, 17608, 20956, 22568, 23998, 25844, 28613, 30814, 36673, 41912, 47996, 51688, 57226, 61628, 73346, 83993, 95992, 114452, 123256, 146692, 167986, 200291, 228904, 293384, 335972, 371969, 400582, 671944, 743938, 801164, 1487876, 1602328, 2603783, 2975752, 5207566, 10415132, 20830264]

約数ペア:

[(1, 20830264), (2, 10415132), (4, 5207566), (7, 2975752), (8, 2603783), (13, 1602328), (14, 1487876), (26, 801164), (28, 743938), (31, 671944), (52, 400582), (56, 371969), (62, 335972), (71, 293384), (91, 228904), (104, 200291), (124, 167986), (142, 146692), (169, 123256), (182, 114452), (217, 95992), (248, 83993), (284, 73346), (338, 61628), (364, 57226), (403, 51688), (434, 47996), (497, 41912), (568, 36673), (676, 30814), (728, 28613), (806, 25844), (868, 23998), (923, 22568), (994, 20956), (1183, 17608), (1352, 15407), (1612, 12922), (1736, 11999), (1846, 11284), (1988, 10478), (2201, 9464), (2366, 8804), (2821, 7384), (3224, 6461), (3692, 5642), (3976, 5239), (4402, 4732)]