20857534138

素因数分解:

$2^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{467}}^1\times {\mathrm{2729}}^1$

素因数の和:3379

約数の個数: 48

約数和(自身を含む): 36704041920

約数和(自身を除く): 15846507782

約数列:

[1, 2, 7, 14, 49, 98, 167, 334, 467, 934, 1169, 2338, 2729, 3269, 5458, 6538, 8183, 16366, 19103, 22883, 38206, 45766, 77989, 133721, 155978, 267442, 455743, 545923, 911486, 1091846, 1274443, 2548886, 3190201, 3821461, 6380402, 7642922, 8921101, 17842202, 22331407, 44662814, 62447707, 124895414, 212831981, 425663962, 1489823867, 2979647734, 10428767069, 20857534138]

約数ペア:

[(1, 20857534138), (2, 10428767069), (7, 2979647734), (14, 1489823867), (49, 425663962), (98, 212831981), (167, 124895414), (334, 62447707), (467, 44662814), (934, 22331407), (1169, 17842202), (2338, 8921101), (2729, 7642922), (3269, 6380402), (5458, 3821461), (6538, 3190201), (8183, 2548886), (16366, 1274443), (19103, 1091846), (22883, 911486), (38206, 545923), (45766, 455743), (77989, 267442), (133721, 155978)]