20285510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41399}}^1$

素因数の和:41420

約数の個数: 24

約数和(自身を含む): 42476400

約数和(自身を除く): 22190890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41399, 82798, 206995, 289793, 413990, 579586, 1448965, 2028551, 2897930, 4057102, 10142755, 20285510]

約数ペア:

[(1, 20285510), (2, 10142755), (5, 4057102), (7, 2897930), (10, 2028551), (14, 1448965), (35, 579586), (49, 413990), (70, 289793), (98, 206995), (245, 82798), (490, 41399)]