20519616

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8221}}^1$

素因数の和:8249

約数の個数: 56

約数和(自身を含む): 58474864

約数和(自身を除く): 37955248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8221, 16442, 24663, 32884, 49326, 65768, 98652, 106873, 131536, 197304, 213746, 263072, 320619, 394608, 427492, 526144, 641238, 789216, 854984, 1282476, 1578432, 1709968, 2564952, 3419936, 5129904, 6839872, 10259808, 20519616]

約数ペア:

[(1, 20519616), (2, 10259808), (3, 6839872), (4, 5129904), (6, 3419936), (8, 2564952), (12, 1709968), (13, 1578432), (16, 1282476), (24, 854984), (26, 789216), (32, 641238), (39, 526144), (48, 427492), (52, 394608), (64, 320619), (78, 263072), (96, 213746), (104, 197304), (156, 131536), (192, 106873), (208, 98652), (312, 65768), (416, 49326), (624, 32884), (832, 24663), (1248, 16442), (2496, 8221)]