20657101472

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{174989}}^1$

素因数の和:175054

約数の個数: 96

約数和(自身を含む): 50800296960

約数和(自身を除く): 30143195488

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 68, 112, 119, 124, 136, 217, 224, 238, 248, 272, 434, 476, 496, 527, 544, 868, 952, 992, 1054, 1736, 1904, 2108, 3472, 3689, 3808, 4216, 6944, 7378, 8432, 14756, 16864, 29512, 59024, 118048, 174989, 349978, 699956, 1224923, 1399912, 2449846, 2799824, 2974813, 4899692, 5424659, 5599648, 5949626, 9799384, 10849318, 11899252, 19598768, 20823691, 21698636, 23798504, 37972613, 39197536, 41647382, 43397272, 47597008, 75945226, 83294764, 86794544, 92219203, 95194016, 151890452, 166589528, 173589088, 184438406, 303780904, 333179056, 368876812, 607561808, 645534421, 666358112, 737753624, 1215123616, 1291068842, 1475507248, 2582137684, 2951014496, 5164275368, 10328550736, 20657101472]

約数ペア:

[(1, 20657101472), (2, 10328550736), (4, 5164275368), (7, 2951014496), (8, 2582137684), (14, 1475507248), (16, 1291068842), (17, 1215123616), (28, 737753624), (31, 666358112), (32, 645534421), (34, 607561808), (56, 368876812), (62, 333179056), (68, 303780904), (112, 184438406), (119, 173589088), (124, 166589528), (136, 151890452), (217, 95194016), (224, 92219203), (238, 86794544), (248, 83294764), (272, 75945226), (434, 47597008), (476, 43397272), (496, 41647382), (527, 39197536), (544, 37972613), (868, 23798504), (952, 21698636), (992, 20823691), (1054, 19598768), (1736, 11899252), (1904, 10849318), (2108, 9799384), (3472, 5949626), (3689, 5599648), (3808, 5424659), (4216, 4899692), (6944, 2974813), (7378, 2799824), (8432, 2449846), (14756, 1399912), (16864, 1224923), (29512, 699956), (59024, 349978), (118048, 174989)]