20548780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146777}}^1$

素因数の和:146793

約数の個数: 24

約数和(自身を含む): 49317408

約数和(自身を除く): 28768628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146777, 293554, 587108, 733885, 1027439, 1467770, 2054878, 2935540, 4109756, 5137195, 10274390, 20548780]

約数ペア:

[(1, 20548780), (2, 10274390), (4, 5137195), (5, 4109756), (7, 2935540), (10, 2054878), (14, 1467770), (20, 1027439), (28, 733885), (35, 587108), (70, 293554), (140, 146777)]