20144902988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 44848742400

約数和(自身を除く): 24703839412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 71, 76, 79, 86, 133, 142, 157, 158, 172, 266, 284, 301, 314, 316, 497, 532, 553, 602, 628, 817, 994, 1099, 1106, 1204, 1349, 1501, 1634, 1988, 2198, 2212, 2698, 2983, 3002, 3053, 3268, 3397, 4396, 5396, 5609, 5719, 5966, 6004, 6106, 6751, 6794, 9443, 10507, 11147, 11218, 11438, 11932, 12212, 12403, 13502, 13588, 18886, 20881, 21014, 21371, 22294, 22436, 22876, 23779, 24806, 27004, 37772, 39263, 41762, 42028, 42742, 44588, 47257, 47558, 49612, 58007, 64543, 78029, 78526, 83524, 85484, 86821, 94514, 95116, 106571, 116014, 128269, 129086, 156058, 157052, 173642, 189028, 211793, 213142, 232028, 235657, 241187, 256538, 258172, 312116, 347284, 406049, 423586, 426284, 451801, 471314, 479321, 482374, 513076, 533329, 745997, 812098, 847172, 880613, 897883, 903602, 942628, 958642, 964748, 1066658, 1482551, 1491994, 1624196, 1649599, 1688309, 1761226, 1795766, 1807204, 1917284, 2133316, 2965102, 2983988, 3299198, 3355247, 3376618, 3522452, 3591532, 3733303, 4582553, 5930204, 6164291, 6598396, 6710494, 6753236, 7466606, 9107099, 9165106, 10133251, 12328582, 13420988, 14933212, 16731647, 18214198, 18330212, 20266502, 24657164, 32077871, 33463294, 36428396, 37866359, 40533004, 63749693, 64155742, 66926588, 70932757, 75732718, 117121529, 127499386, 128311484, 141865514, 151465436, 234243058, 254998772, 265064513, 283731028, 468486116, 530129026, 719460821, 1060258052, 1438921642, 2877843284, 5036225747, 10072451494, 20144902988]

約数ペア:

[(1, 20144902988), (2, 10072451494), (4, 5036225747), (7, 2877843284), (14, 1438921642), (19, 1060258052), (28, 719460821), (38, 530129026), (43, 468486116), (71, 283731028), (76, 265064513), (79, 254998772), (86, 234243058), (133, 151465436), (142, 141865514), (157, 128311484), (158, 127499386), (172, 117121529), (266, 75732718), (284, 70932757), (301, 66926588), (314, 64155742), (316, 63749693), (497, 40533004), (532, 37866359), (553, 36428396), (602, 33463294), (628, 32077871), (817, 24657164), (994, 20266502), (1099, 18330212), (1106, 18214198), (1204, 16731647), (1349, 14933212), (1501, 13420988), (1634, 12328582), (1988, 10133251), (2198, 9165106), (2212, 9107099), (2698, 7466606), (2983, 6753236), (3002, 6710494), (3053, 6598396), (3268, 6164291), (3397, 5930204), (4396, 4582553), (5396, 3733303), (5609, 3591532), (5719, 3522452), (5966, 3376618), (6004, 3355247), (6106, 3299198), (6751, 2983988), (6794, 2965102), (9443, 2133316), (10507, 1917284), (11147, 1807204), (11218, 1795766), (11438, 1761226), (11932, 1688309), (12212, 1649599), (12403, 1624196), (13502, 1491994), (13588, 1482551), (18886, 1066658), (20881, 964748), (21014, 958642), (21371, 942628), (22294, 903602), (22436, 897883), (22876, 880613), (23779, 847172), (24806, 812098), (27004, 745997), (37772, 533329), (39263, 513076), (41762, 482374), (42028, 479321), (42742, 471314), (44588, 451801), (47257, 426284), (47558, 423586), (49612, 406049), (58007, 347284), (64543, 312116), (78029, 258172), (78526, 256538), (83524, 241187), (85484, 235657), (86821, 232028), (94514, 213142), (95116, 211793), (106571, 189028), (116014, 173642), (128269, 157052), (129086, 156058)]