203892020

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{6607}}^1$

素因数の和:8159

約数の個数: 24

約数和(自身を含む): 428515584

約数和(自身を除く): 224623564

約数列:

[1, 2, 4, 5, 10, 20, 1543, 3086, 6172, 6607, 7715, 13214, 15430, 26428, 30860, 33035, 66070, 132140, 10194601, 20389202, 40778404, 50973005, 101946010, 203892020]

約数ペア:

[(1, 203892020), (2, 101946010), (4, 50973005), (5, 40778404), (10, 20389202), (20, 10194601), (1543, 132140), (3086, 66070), (6172, 33035), (6607, 30860), (7715, 26428), (13214, 15430)]