20789958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1787}}^1$

素因数の和:2076

約数の個数: 32

約数和(自身を含む): 47718144

約数和(自身を除く): 26928186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 277, 554, 831, 1662, 1787, 1939, 3574, 3878, 5361, 5817, 10722, 11634, 12509, 25018, 37527, 75054, 494999, 989998, 1484997, 2969994, 3464993, 6929986, 10394979, 20789958]

約数ペア:

[(1, 20789958), (2, 10394979), (3, 6929986), (6, 3464993), (7, 2969994), (14, 1484997), (21, 989998), (42, 494999), (277, 75054), (554, 37527), (831, 25018), (1662, 12509), (1787, 11634), (1939, 10722), (3574, 5817), (3878, 5361)]