20512542272

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:545

約数の個数: 224

約数和(自身を含む): 47051366400

約数和(自身を除く): 26538824128

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 59, 62, 64, 76, 92, 118, 124, 152, 184, 236, 248, 304, 368, 401, 437, 472, 496, 589, 608, 713, 736, 802, 874, 944, 992, 1121, 1178, 1216, 1357, 1426, 1472, 1604, 1748, 1829, 1888, 1984, 2242, 2356, 2714, 2852, 3208, 3496, 3658, 3776, 4484, 4712, 5428, 5704, 6416, 6992, 7316, 7619, 8968, 9223, 9424, 10856, 11408, 12431, 12832, 13547, 13984, 14632, 15238, 17936, 18446, 18848, 21712, 22816, 23659, 24862, 25664, 25783, 27094, 27968, 29264, 30476, 34751, 35872, 36892, 37696, 42067, 43424, 45632, 47318, 49724, 51566, 54188, 58528, 60952, 69502, 71744, 73784, 84134, 86848, 94636, 99448, 103132, 108376, 117056, 121904, 139004, 147568, 168268, 175237, 189272, 198896, 206264, 216752, 236189, 243808, 278008, 285913, 295136, 336536, 350474, 378544, 397792, 412528, 433504, 449521, 472378, 487616, 544157, 556016, 571826, 590272, 673072, 700948, 733429, 757088, 795584, 799273, 825056, 867008, 899042, 944756, 1088314, 1112032, 1143652, 1346144, 1401896, 1466858, 1514176, 1598546, 1650112, 1798084, 1889512, 2176628, 2224064, 2287304, 2692288, 2803792, 2933716, 3197092, 3596168, 3779024, 4353256, 4574608, 5432347, 5607584, 5867432, 6394184, 7192336, 7558048, 8706512, 9149216, 10338983, 10864694, 11215168, 11734864, 12788368, 13935151, 14384672, 15116096, 16868867, 17413024, 18298432, 20677966, 21729388, 23469728, 25576736, 27870302, 28769344, 33737734, 34826048, 41355932, 43458776, 46939456, 51153472, 55740604, 67475468, 82711864, 86917552, 111481208, 134950936, 165423728, 173835104, 222962416, 269901872, 320508473, 330847456, 347670208, 445924832, 539803744, 641016946, 661694912, 891849664, 1079607488, 1282033892, 2564067784, 5128135568, 10256271136, 20512542272]

約数ペア:

[(1, 20512542272), (2, 10256271136), (4, 5128135568), (8, 2564067784), (16, 1282033892), (19, 1079607488), (23, 891849664), (31, 661694912), (32, 641016946), (38, 539803744), (46, 445924832), (59, 347670208), (62, 330847456), (64, 320508473), (76, 269901872), (92, 222962416), (118, 173835104), (124, 165423728), (152, 134950936), (184, 111481208), (236, 86917552), (248, 82711864), (304, 67475468), (368, 55740604), (401, 51153472), (437, 46939456), (472, 43458776), (496, 41355932), (589, 34826048), (608, 33737734), (713, 28769344), (736, 27870302), (802, 25576736), (874, 23469728), (944, 21729388), (992, 20677966), (1121, 18298432), (1178, 17413024), (1216, 16868867), (1357, 15116096), (1426, 14384672), (1472, 13935151), (1604, 12788368), (1748, 11734864), (1829, 11215168), (1888, 10864694), (1984, 10338983), (2242, 9149216), (2356, 8706512), (2714, 7558048), (2852, 7192336), (3208, 6394184), (3496, 5867432), (3658, 5607584), (3776, 5432347), (4484, 4574608), (4712, 4353256), (5428, 3779024), (5704, 3596168), (6416, 3197092), (6992, 2933716), (7316, 2803792), (7619, 2692288), (8968, 2287304), (9223, 2224064), (9424, 2176628), (10856, 1889512), (11408, 1798084), (12431, 1650112), (12832, 1598546), (13547, 1514176), (13984, 1466858), (14632, 1401896), (15238, 1346144), (17936, 1143652), (18446, 1112032), (18848, 1088314), (21712, 944756), (22816, 899042), (23659, 867008), (24862, 825056), (25664, 799273), (25783, 795584), (27094, 757088), (27968, 733429), (29264, 700948), (30476, 673072), (34751, 590272), (35872, 571826), (36892, 556016), (37696, 544157), (42067, 487616), (43424, 472378), (45632, 449521), (47318, 433504), (49724, 412528), (51566, 397792), (54188, 378544), (58528, 350474), (60952, 336536), (69502, 295136), (71744, 285913), (73784, 278008), (84134, 243808), (86848, 236189), (94636, 216752), (99448, 206264), (103132, 198896), (108376, 189272), (117056, 175237), (121904, 168268), (139004, 147568)]