20121556626

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{4229}}^1$

素因数の和:4401

約数の個数: 128

約数和(自身を含む): 48680870400

約数和(自身を除く): 28559313774

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 73, 102, 142, 146, 153, 213, 219, 306, 426, 438, 459, 639, 657, 918, 1207, 1241, 1278, 1314, 1917, 1971, 2414, 2482, 3621, 3723, 3834, 3942, 4229, 5183, 7242, 7446, 8458, 10366, 10863, 11169, 12687, 15549, 21726, 22338, 25374, 31098, 32589, 33507, 38061, 46647, 65178, 67014, 71893, 76122, 88111, 93294, 114183, 139941, 143786, 176222, 215679, 228366, 264333, 279882, 300259, 308717, 431358, 528666, 600518, 617434, 647037, 792999, 900777, 926151, 1294074, 1585998, 1801554, 1852302, 1941111, 2378997, 2702331, 2778453, 3882222, 4757994, 5104403, 5248189, 5404662, 5556906, 8106993, 8335359, 10208806, 10496378, 15313209, 15744567, 16213986, 16670718, 21918907, 30626418, 31489134, 43837814, 45939627, 47233701, 65756721, 91879254, 94467402, 131513442, 137818881, 141701103, 197270163, 275637762, 283402206, 372621419, 394540326, 591810489, 745242838, 1117864257, 1183620978, 2235728514, 3353592771, 6707185542, 10060778313, 20121556626]

約数ペア:

[(1, 20121556626), (2, 10060778313), (3, 6707185542), (6, 3353592771), (9, 2235728514), (17, 1183620978), (18, 1117864257), (27, 745242838), (34, 591810489), (51, 394540326), (54, 372621419), (71, 283402206), (73, 275637762), (102, 197270163), (142, 141701103), (146, 137818881), (153, 131513442), (213, 94467402), (219, 91879254), (306, 65756721), (426, 47233701), (438, 45939627), (459, 43837814), (639, 31489134), (657, 30626418), (918, 21918907), (1207, 16670718), (1241, 16213986), (1278, 15744567), (1314, 15313209), (1917, 10496378), (1971, 10208806), (2414, 8335359), (2482, 8106993), (3621, 5556906), (3723, 5404662), (3834, 5248189), (3942, 5104403), (4229, 4757994), (5183, 3882222), (7242, 2778453), (7446, 2702331), (8458, 2378997), (10366, 1941111), (10863, 1852302), (11169, 1801554), (12687, 1585998), (15549, 1294074), (21726, 926151), (22338, 900777), (25374, 792999), (31098, 647037), (32589, 617434), (33507, 600518), (38061, 528666), (46647, 431358), (65178, 308717), (67014, 300259), (71893, 279882), (76122, 264333), (88111, 228366), (93294, 215679), (114183, 176222), (139941, 143786)]