20127260384

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37643}}^1$

素因数の和:37709

約数の個数: 144

約数和(自身を含む): 51908967936

約数和(自身を除く): 31781707552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 434, 496, 539, 616, 682, 784, 868, 992, 1078, 1232, 1364, 1519, 1568, 1736, 2156, 2387, 2464, 2728, 3038, 3472, 4312, 4774, 5456, 6076, 6944, 8624, 9548, 10912, 12152, 16709, 17248, 19096, 24304, 33418, 37643, 38192, 48608, 66836, 75286, 76384, 133672, 150572, 263501, 267344, 301144, 414073, 527002, 534688, 602288, 828146, 1054004, 1166933, 1204576, 1656292, 1844507, 2108008, 2333866, 2898511, 3312584, 3689014, 4216016, 4667732, 5797022, 6625168, 7378028, 8168531, 8432032, 9335464, 11594044, 12836263, 13250336, 14756056, 16337062, 18670928, 20289577, 23188088, 25672526, 29512112, 32674124, 37341856, 40579154, 46376176, 51345052, 57179717, 59024224, 65348248, 81158308, 89853841, 92752352, 102690104, 114359434, 130696496, 162316616, 179707682, 205380208, 228718868, 261392992, 324633232, 359415364, 410760416, 457437736, 628976887, 649266464, 718830728, 914875472, 1257953774, 1437661456, 1829750944, 2515907548, 2875322912, 5031815096, 10063630192, 20127260384]

約数ペア:

[(1, 20127260384), (2, 10063630192), (4, 5031815096), (7, 2875322912), (8, 2515907548), (11, 1829750944), (14, 1437661456), (16, 1257953774), (22, 914875472), (28, 718830728), (31, 649266464), (32, 628976887), (44, 457437736), (49, 410760416), (56, 359415364), (62, 324633232), (77, 261392992), (88, 228718868), (98, 205380208), (112, 179707682), (124, 162316616), (154, 130696496), (176, 114359434), (196, 102690104), (217, 92752352), (224, 89853841), (248, 81158308), (308, 65348248), (341, 59024224), (352, 57179717), (392, 51345052), (434, 46376176), (496, 40579154), (539, 37341856), (616, 32674124), (682, 29512112), (784, 25672526), (868, 23188088), (992, 20289577), (1078, 18670928), (1232, 16337062), (1364, 14756056), (1519, 13250336), (1568, 12836263), (1736, 11594044), (2156, 9335464), (2387, 8432032), (2464, 8168531), (2728, 7378028), (3038, 6625168), (3472, 5797022), (4312, 4667732), (4774, 4216016), (5456, 3689014), (6076, 3312584), (6944, 2898511), (8624, 2333866), (9548, 2108008), (10912, 1844507), (12152, 1656292), (16709, 1204576), (17248, 1166933), (19096, 1054004), (24304, 828146), (33418, 602288), (37643, 534688), (38192, 527002), (48608, 414073), (66836, 301144), (75286, 267344), (76384, 263501), (133672, 150572)]