20123763744

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{1987}}^1\times {\mathrm{2153}}^1$

素因数の和:4167

約数の個数: 144

約数和(自身を含む): 61508831328

約数和(自身を除く): 41385067584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 1987, 2153, 2352, 3974, 4306, 4704, 5961, 6459, 7948, 8612, 11922, 12918, 13909, 15071, 15896, 17224, 23844, 25836, 27818, 30142, 31792, 34448, 41727, 45213, 47688, 51672, 55636, 60284, 63584, 68896, 83454, 90426, 95376, 97363, 103344, 105497, 111272, 120568, 166908, 180852, 190752, 194726, 206688, 210994, 222544, 241136, 292089, 316491, 333816, 361704, 389452, 421988, 445088, 482272, 584178, 632982, 667632, 723408, 778904, 843976, 1168356, 1265964, 1335264, 1446816, 1557808, 1687952, 2336712, 2531928, 3115616, 3375904, 4278011, 4673424, 5063856, 8556022, 9346848, 10127712, 12834033, 17112044, 25668066, 29946077, 34224088, 51336132, 59892154, 68448176, 89838231, 102672264, 119784308, 136896352, 179676462, 205344528, 209622539, 239568616, 359352924, 410689056, 419245078, 479137232, 628867617, 718705848, 838490156, 958274464, 1257735234, 1437411696, 1676980312, 2515470468, 2874823392, 3353960624, 5030940936, 6707921248, 10061881872, 20123763744]

約数ペア:

[(1, 20123763744), (2, 10061881872), (3, 6707921248), (4, 5030940936), (6, 3353960624), (7, 2874823392), (8, 2515470468), (12, 1676980312), (14, 1437411696), (16, 1257735234), (21, 958274464), (24, 838490156), (28, 718705848), (32, 628867617), (42, 479137232), (48, 419245078), (49, 410689056), (56, 359352924), (84, 239568616), (96, 209622539), (98, 205344528), (112, 179676462), (147, 136896352), (168, 119784308), (196, 102672264), (224, 89838231), (294, 68448176), (336, 59892154), (392, 51336132), (588, 34224088), (672, 29946077), (784, 25668066), (1176, 17112044), (1568, 12834033), (1987, 10127712), (2153, 9346848), (2352, 8556022), (3974, 5063856), (4306, 4673424), (4704, 4278011), (5961, 3375904), (6459, 3115616), (7948, 2531928), (8612, 2336712), (11922, 1687952), (12918, 1557808), (13909, 1446816), (15071, 1335264), (15896, 1265964), (17224, 1168356), (23844, 843976), (25836, 778904), (27818, 723408), (30142, 667632), (31792, 632982), (34448, 584178), (41727, 482272), (45213, 445088), (47688, 421988), (51672, 389452), (55636, 361704), (60284, 333816), (63584, 316491), (68896, 292089), (83454, 241136), (90426, 222544), (95376, 210994), (97363, 206688), (103344, 194726), (105497, 190752), (111272, 180852), (120568, 166908)]