20138163856

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{328883}}^1$

素因数の和:329023

約数の個数: 40

約数和(自身を含む): 40373799840

約数和(自身を除く): 20235635984

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1424, 3827, 7654, 15308, 30616, 61232, 328883, 657766, 1315532, 2631064, 5262128, 14141969, 28283938, 29270587, 56567876, 58541174, 113135752, 117082348, 226271504, 234164696, 468329392, 1258635241, 2517270482, 5034540964, 10069081928, 20138163856]

約数ペア:

[(1, 20138163856), (2, 10069081928), (4, 5034540964), (8, 2517270482), (16, 1258635241), (43, 468329392), (86, 234164696), (89, 226271504), (172, 117082348), (178, 113135752), (344, 58541174), (356, 56567876), (688, 29270587), (712, 28283938), (1424, 14141969), (3827, 5262128), (7654, 2631064), (15308, 1315532), (30616, 657766), (61232, 328883)]