247002020

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{19207}}^1$

素因数の和:19859

約数の個数: 24

約数和(自身を含む): 519537984

約数和(自身を除く): 272535964

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 19207, 38414, 76828, 96035, 192070, 384140, 12350101, 24700202, 49400404, 61750505, 123501010, 247002020]

約数ペア:

[(1, 247002020), (2, 123501010), (4, 61750505), (5, 49400404), (10, 24700202), (20, 12350101), (643, 384140), (1286, 192070), (2572, 96035), (3215, 76828), (6430, 38414), (12860, 19207)]