20656128

素因数分解:

$2^{12}\times 3^1\times {\mathrm{41}}^2$

素因数の和:109

約数の個数: 78

約数和(自身を含む): 56452372

約数和(自身を除く): 35796244

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 256, 328, 384, 492, 512, 656, 768, 984, 1024, 1312, 1536, 1681, 1968, 2048, 2624, 3072, 3362, 3936, 4096, 5043, 5248, 6144, 6724, 7872, 10086, 10496, 12288, 13448, 15744, 20172, 20992, 26896, 31488, 40344, 41984, 53792, 62976, 80688, 83968, 107584, 125952, 161376, 167936, 215168, 251904, 322752, 430336, 503808, 645504, 860672, 1291008, 1721344, 2582016, 3442688, 5164032, 6885376, 10328064, 20656128]

約数ペア:

[(1, 20656128), (2, 10328064), (3, 6885376), (4, 5164032), (6, 3442688), (8, 2582016), (12, 1721344), (16, 1291008), (24, 860672), (32, 645504), (41, 503808), (48, 430336), (64, 322752), (82, 251904), (96, 215168), (123, 167936), (128, 161376), (164, 125952), (192, 107584), (246, 83968), (256, 80688), (328, 62976), (384, 53792), (492, 41984), (512, 40344), (656, 31488), (768, 26896), (984, 20992), (1024, 20172), (1312, 15744), (1536, 13448), (1681, 12288), (1968, 10496), (2048, 10086), (2624, 7872), (3072, 6724), (3362, 6144), (3936, 5248), (4096, 5043)]