20505611376

素因数分解:

$2^4\times 3^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2178

約数の個数: 240

約数和(自身を含む): 63127209600

約数和(自身を除く): 42621598224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 139, 144, 152, 162, 171, 216, 228, 243, 278, 304, 324, 342, 417, 432, 456, 486, 513, 556, 648, 684, 834, 912, 972, 1026, 1112, 1251, 1296, 1368, 1539, 1668, 1944, 1997, 2052, 2224, 2502, 2641, 2736, 3078, 3336, 3753, 3888, 3994, 4104, 4617, 5004, 5282, 5991, 6156, 6672, 7506, 7923, 7988, 8208, 9234, 10008, 10564, 11259, 11982, 12312, 15012, 15846, 15976, 17973, 18468, 20016, 21128, 22518, 23769, 23964, 24624, 30024, 31692, 31952, 33777, 35946, 36936, 37943, 42256, 45036, 47538, 47928, 53919, 60048, 63384, 67554, 71307, 71892, 73872, 75886, 90072, 95076, 95856, 107838, 113829, 126768, 135108, 142614, 143784, 151772, 161757, 180144, 190152, 213921, 215676, 227658, 270216, 277583, 285228, 287568, 303544, 323514, 341487, 380304, 427842, 431352, 455316, 485271, 540432, 555166, 570456, 607088, 641763, 647028, 682974, 832749, 855684, 862704, 910632, 970542, 1024461, 1110332, 1140912, 1283526, 1294056, 1365948, 1665498, 1711368, 1821264, 1941084, 2048922, 2220664, 2498247, 2567052, 2588112, 2731896, 3073383, 3330996, 3422736, 3882168, 4097844, 4441328, 4996494, 5134104, 5274077, 5463792, 6146766, 6661992, 7494741, 7764336, 8195688, 9220149, 9992988, 10268208, 10548154, 12293532, 13323984, 14989482, 15822231, 16391376, 18440298, 19985976, 21096308, 22484223, 24587064, 29978964, 31644462, 36880596, 39971952, 42192616, 44968446, 47466693, 49174128, 59957928, 63288924, 67452669, 73761192, 84385232, 89936892, 94933386, 119915856, 126577848, 134905338, 142400079, 147522384, 179873784, 189866772, 253155696, 269810676, 284800158, 359747568, 379733544, 427200237, 539621352, 569600316, 759467088, 854400474, 1079242704, 1139200632, 1281600711, 1708800948, 2278401264, 2563201422, 3417601896, 5126402844, 6835203792, 10252805688, 20505611376]

約数ペア:

[(1, 20505611376), (2, 10252805688), (3, 6835203792), (4, 5126402844), (6, 3417601896), (8, 2563201422), (9, 2278401264), (12, 1708800948), (16, 1281600711), (18, 1139200632), (19, 1079242704), (24, 854400474), (27, 759467088), (36, 569600316), (38, 539621352), (48, 427200237), (54, 379733544), (57, 359747568), (72, 284800158), (76, 269810676), (81, 253155696), (108, 189866772), (114, 179873784), (139, 147522384), (144, 142400079), (152, 134905338), (162, 126577848), (171, 119915856), (216, 94933386), (228, 89936892), (243, 84385232), (278, 73761192), (304, 67452669), (324, 63288924), (342, 59957928), (417, 49174128), (432, 47466693), (456, 44968446), (486, 42192616), (513, 39971952), (556, 36880596), (648, 31644462), (684, 29978964), (834, 24587064), (912, 22484223), (972, 21096308), (1026, 19985976), (1112, 18440298), (1251, 16391376), (1296, 15822231), (1368, 14989482), (1539, 13323984), (1668, 12293532), (1944, 10548154), (1997, 10268208), (2052, 9992988), (2224, 9220149), (2502, 8195688), (2641, 7764336), (2736, 7494741), (3078, 6661992), (3336, 6146766), (3753, 5463792), (3888, 5274077), (3994, 5134104), (4104, 4996494), (4617, 4441328), (5004, 4097844), (5282, 3882168), (5991, 3422736), (6156, 3330996), (6672, 3073383), (7506, 2731896), (7923, 2588112), (7988, 2567052), (8208, 2498247), (9234, 2220664), (10008, 2048922), (10564, 1941084), (11259, 1821264), (11982, 1711368), (12312, 1665498), (15012, 1365948), (15846, 1294056), (15976, 1283526), (17973, 1140912), (18468, 1110332), (20016, 1024461), (21128, 970542), (22518, 910632), (23769, 862704), (23964, 855684), (24624, 832749), (30024, 682974), (31692, 647028), (31952, 641763), (33777, 607088), (35946, 570456), (36936, 555166), (37943, 540432), (42256, 485271), (45036, 455316), (47538, 431352), (47928, 427842), (53919, 380304), (60048, 341487), (63384, 323514), (67554, 303544), (71307, 287568), (71892, 285228), (73872, 277583), (75886, 270216), (90072, 227658), (95076, 215676), (95856, 213921), (107838, 190152), (113829, 180144), (126768, 161757), (135108, 151772), (142614, 143784)]