20855912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33857}}^1$

素因数の和:33881

約数の個数: 32

約数和(自身を含む): 48755520

約数和(自身を除く): 27899608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33857, 67714, 135428, 236999, 270856, 372427, 473998, 744854, 947996, 1489708, 1895992, 2606989, 2979416, 5213978, 10427956, 20855912]

約数ペア:

[(1, 20855912), (2, 10427956), (4, 5213978), (7, 2979416), (8, 2606989), (11, 1895992), (14, 1489708), (22, 947996), (28, 744854), (44, 473998), (56, 372427), (77, 270856), (88, 236999), (154, 135428), (308, 67714), (616, 33857)]