20914030

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4721}}^1$

素因数の和:5171

約数の個数: 16

約数和(自身を含む): 37738224

約数和(自身を除く): 16824194

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4721, 9442, 23605, 47210, 2091403, 4182806, 10457015, 20914030]

約数ペア:

[(1, 20914030), (2, 10457015), (5, 4182806), (10, 2091403), (443, 47210), (886, 23605), (2215, 9442), (4430, 4721)]