20214972008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1\times {\mathrm{22679}}^1$

素因数の和:24150

約数の個数: 64

約数和(自身を含む): 47290521600

約数和(自身を除く): 27075549592

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 1447, 2894, 5788, 10129, 11576, 15917, 20258, 22679, 31834, 40516, 45358, 63668, 81032, 90716, 111419, 127336, 158753, 181432, 222838, 249469, 317506, 445676, 498938, 635012, 891352, 997876, 1270024, 1746283, 1995752, 3492566, 6985132, 13970264, 32816513, 65633026, 131266052, 229715591, 262532104, 360981643, 459431182, 721963286, 918862364, 1443926572, 1837724728, 2526871501, 2887853144, 5053743002, 10107486004, 20214972008]

約数ペア:

[(1, 20214972008), (2, 10107486004), (4, 5053743002), (7, 2887853144), (8, 2526871501), (11, 1837724728), (14, 1443926572), (22, 918862364), (28, 721963286), (44, 459431182), (56, 360981643), (77, 262532104), (88, 229715591), (154, 131266052), (308, 65633026), (616, 32816513), (1447, 13970264), (2894, 6985132), (5788, 3492566), (10129, 1995752), (11576, 1746283), (15917, 1270024), (20258, 997876), (22679, 891352), (31834, 635012), (40516, 498938), (45358, 445676), (63668, 317506), (81032, 249469), (90716, 222838), (111419, 181432), (127336, 158753)]