20725208

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16091}}^1$

素因数の和:16127

約数の個数: 32

約数和(自身を含む): 46344960

約数和(自身を除く): 25619752

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16091, 32182, 64364, 112637, 128728, 225274, 370093, 450548, 740186, 901096, 1480372, 2590651, 2960744, 5181302, 10362604, 20725208]

約数ペア:

[(1, 20725208), (2, 10362604), (4, 5181302), (7, 2960744), (8, 2590651), (14, 1480372), (23, 901096), (28, 740186), (46, 450548), (56, 370093), (92, 225274), (161, 128728), (184, 112637), (322, 64364), (644, 32182), (1288, 16091)]