20121664024

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1086

約数の個数: 128

約数和(自身を含む): 47609280000

約数和(自身を除く): 27487615976

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 499, 541, 616, 847, 968, 998, 1082, 1331, 1694, 1996, 2164, 2662, 3388, 3493, 3787, 3992, 4328, 5324, 5489, 5951, 6776, 6986, 7574, 9317, 10648, 10978, 11902, 13972, 15148, 18634, 21956, 23804, 27944, 30296, 37268, 38423, 41657, 43912, 47608, 60379, 65461, 74536, 76846, 83314, 120758, 130922, 153692, 166628, 241516, 261844, 269959, 307384, 333256, 422653, 458227, 483032, 523688, 539918, 664169, 720071, 845306, 916454, 1079836, 1328338, 1440142, 1690612, 1832908, 1889713, 2159672, 2656676, 2880284, 2969549, 3381224, 3665816, 3779426, 4649183, 5040497, 5313352, 5760568, 5939098, 7558852, 9298366, 10080994, 11878196, 15117704, 18596732, 20161988, 20786843, 23756392, 32665039, 37193464, 40323976, 41573686, 65330078, 83147372, 130660156, 166294744, 228655273, 261320312, 359315429, 457310546, 718630858, 914621092, 1437261716, 1829242184, 2515208003, 2874523432, 5030416006, 10060832012, 20121664024]

約数ペア:

[(1, 20121664024), (2, 10060832012), (4, 5030416006), (7, 2874523432), (8, 2515208003), (11, 1829242184), (14, 1437261716), (22, 914621092), (28, 718630858), (44, 457310546), (56, 359315429), (77, 261320312), (88, 228655273), (121, 166294744), (154, 130660156), (242, 83147372), (308, 65330078), (484, 41573686), (499, 40323976), (541, 37193464), (616, 32665039), (847, 23756392), (968, 20786843), (998, 20161988), (1082, 18596732), (1331, 15117704), (1694, 11878196), (1996, 10080994), (2164, 9298366), (2662, 7558852), (3388, 5939098), (3493, 5760568), (3787, 5313352), (3992, 5040497), (4328, 4649183), (5324, 3779426), (5489, 3665816), (5951, 3381224), (6776, 2969549), (6986, 2880284), (7574, 2656676), (9317, 2159672), (10648, 1889713), (10978, 1832908), (11902, 1690612), (13972, 1440142), (15148, 1328338), (18634, 1079836), (21956, 916454), (23804, 845306), (27944, 720071), (30296, 664169), (37268, 539918), (38423, 523688), (41657, 483032), (43912, 458227), (47608, 422653), (60379, 333256), (65461, 307384), (74536, 269959), (76846, 261844), (83314, 241516), (120758, 166628), (130922, 153692)]