20543144

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 18881176

約数列:

[1, 2, 4, 8, 103, 107, 206, 214, 233, 412, 428, 466, 824, 856, 932, 1864, 11021, 22042, 23999, 24931, 44084, 47998, 49862, 88168, 95996, 99724, 191992, 199448, 2567893, 5135786, 10271572, 20543144]

約数ペア:

[(1, 20543144), (2, 10271572), (4, 5135786), (8, 2567893), (103, 199448), (107, 191992), (206, 99724), (214, 95996), (233, 88168), (412, 49862), (428, 47998), (466, 44084), (824, 24931), (856, 23999), (932, 22042), (1864, 11021)]