20990975488

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2063}}^1$

素因数の和:2272

約数の個数: 160

約数和(自身を含む): 51080730624

約数和(自身を除く): 30089755136

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 167, 224, 238, 256, 272, 334, 448, 476, 512, 544, 668, 896, 952, 1088, 1169, 1336, 1792, 1904, 2063, 2176, 2338, 2672, 2839, 3584, 3808, 4126, 4352, 4676, 5344, 5678, 7616, 8252, 8704, 9352, 10688, 11356, 14441, 15232, 16504, 18704, 19873, 21376, 22712, 28882, 30464, 33008, 35071, 37408, 39746, 42752, 45424, 57764, 60928, 66016, 70142, 74816, 79492, 85504, 90848, 115528, 132032, 140284, 149632, 158984, 181696, 231056, 245497, 264064, 280568, 299264, 317968, 344521, 363392, 462112, 490994, 528128, 561136, 598528, 635936, 689042, 726784, 924224, 981988, 1056256, 1122272, 1271872, 1378084, 1453568, 1848448, 1963976, 2244544, 2411647, 2543744, 2756168, 3696896, 3927952, 4489088, 4823294, 5087488, 5512336, 5856857, 7393792, 7855904, 8978176, 9646588, 10174976, 11024672, 11713714, 15711808, 17956352, 19293176, 22049344, 23427428, 31423616, 38586352, 40997999, 44098688, 46854856, 62847232, 77172704, 81995998, 88197376, 93709712, 125694464, 154345408, 163991996, 176394752, 187419424, 308690816, 327983992, 374838848, 617381632, 655967984, 749677696, 1234763264, 1311935968, 1499355392, 2623871936, 2998710784, 5247743872, 10495487744, 20990975488]

約数ペア:

[(1, 20990975488), (2, 10495487744), (4, 5247743872), (7, 2998710784), (8, 2623871936), (14, 1499355392), (16, 1311935968), (17, 1234763264), (28, 749677696), (32, 655967984), (34, 617381632), (56, 374838848), (64, 327983992), (68, 308690816), (112, 187419424), (119, 176394752), (128, 163991996), (136, 154345408), (167, 125694464), (224, 93709712), (238, 88197376), (256, 81995998), (272, 77172704), (334, 62847232), (448, 46854856), (476, 44098688), (512, 40997999), (544, 38586352), (668, 31423616), (896, 23427428), (952, 22049344), (1088, 19293176), (1169, 17956352), (1336, 15711808), (1792, 11713714), (1904, 11024672), (2063, 10174976), (2176, 9646588), (2338, 8978176), (2672, 7855904), (2839, 7393792), (3584, 5856857), (3808, 5512336), (4126, 5087488), (4352, 4823294), (4676, 4489088), (5344, 3927952), (5678, 3696896), (7616, 2756168), (8252, 2543744), (8704, 2411647), (9352, 2244544), (10688, 1963976), (11356, 1848448), (14441, 1453568), (15232, 1378084), (16504, 1271872), (18704, 1122272), (19873, 1056256), (21376, 981988), (22712, 924224), (28882, 726784), (30464, 689042), (33008, 635936), (35071, 598528), (37408, 561136), (39746, 528128), (42752, 490994), (45424, 462112), (57764, 363392), (60928, 344521), (66016, 317968), (70142, 299264), (74816, 280568), (79492, 264064), (85504, 245497), (90848, 231056), (115528, 181696), (132032, 158984), (140284, 149632)]