20425510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2677}}^1$

素因数の和:2800

約数の個数: 32

約数和(自身を含む): 42419520

約数和(自身を除く): 21994010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2677, 3815, 5354, 7630, 13385, 18739, 26770, 37478, 93695, 187390, 291793, 583586, 1458965, 2042551, 2917930, 4085102, 10212755, 20425510]

約数ペア:

[(1, 20425510), (2, 10212755), (5, 4085102), (7, 2917930), (10, 2042551), (14, 1458965), (35, 583586), (70, 291793), (109, 187390), (218, 93695), (545, 37478), (763, 26770), (1090, 18739), (1526, 13385), (2677, 7630), (3815, 5354)]