20669138432

素因数分解:

$2^9\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{4561}}^1$

素因数の和:4799

約数の個数: 80

約数和(自身を含む): 42338352672

約数和(自身を除く): 21669214240

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 167, 212, 256, 334, 424, 512, 668, 848, 1336, 1696, 2672, 3392, 4561, 5344, 6784, 8851, 9122, 10688, 13568, 17702, 18244, 21376, 27136, 35404, 36488, 42752, 70808, 72976, 85504, 141616, 145952, 241733, 283232, 291904, 483466, 566464, 583808, 761687, 966932, 1132928, 1167616, 1523374, 1933864, 2265856, 2335232, 3046748, 3867728, 4531712, 6093496, 7735456, 12186992, 15470912, 24373984, 30941824, 40369411, 48747968, 61883648, 80738822, 97495936, 123767296, 161477644, 194991872, 322955288, 389983744, 645910576, 1291821152, 2583642304, 5167284608, 10334569216, 20669138432]

約数ペア:

[(1, 20669138432), (2, 10334569216), (4, 5167284608), (8, 2583642304), (16, 1291821152), (32, 645910576), (53, 389983744), (64, 322955288), (106, 194991872), (128, 161477644), (167, 123767296), (212, 97495936), (256, 80738822), (334, 61883648), (424, 48747968), (512, 40369411), (668, 30941824), (848, 24373984), (1336, 15470912), (1696, 12186992), (2672, 7735456), (3392, 6093496), (4561, 4531712), (5344, 3867728), (6784, 3046748), (8851, 2335232), (9122, 2265856), (10688, 1933864), (13568, 1523374), (17702, 1167616), (18244, 1132928), (21376, 966932), (27136, 761687), (35404, 583808), (36488, 566464), (42752, 483466), (70808, 291904), (72976, 283232), (85504, 241733), (141616, 145952)]