20849664

素因数分解:

$2^{10}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:651

約数の個数: 88

約数和(自身を含む): 60722208

約数和(自身を除く): 39872544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 617, 704, 768, 1024, 1056, 1234, 1408, 1536, 1851, 2112, 2468, 2816, 3072, 3702, 4224, 4936, 5632, 6787, 7404, 8448, 9872, 11264, 13574, 14808, 16896, 19744, 20361, 27148, 29616, 33792, 39488, 40722, 54296, 59232, 78976, 81444, 108592, 118464, 157952, 162888, 217184, 236928, 315904, 325776, 434368, 473856, 631808, 651552, 868736, 947712, 1303104, 1737472, 1895424, 2606208, 3474944, 5212416, 6949888, 10424832, 20849664]

約数ペア:

[(1, 20849664), (2, 10424832), (3, 6949888), (4, 5212416), (6, 3474944), (8, 2606208), (11, 1895424), (12, 1737472), (16, 1303104), (22, 947712), (24, 868736), (32, 651552), (33, 631808), (44, 473856), (48, 434368), (64, 325776), (66, 315904), (88, 236928), (96, 217184), (128, 162888), (132, 157952), (176, 118464), (192, 108592), (256, 81444), (264, 78976), (352, 59232), (384, 54296), (512, 40722), (528, 39488), (617, 33792), (704, 29616), (768, 27148), (1024, 20361), (1056, 19744), (1234, 16896), (1408, 14808), (1536, 13574), (1851, 11264), (2112, 9872), (2468, 8448), (2816, 7404), (3072, 6787), (3702, 5632), (4224, 4936)]