20588740

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2063}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 43344000

約数和(自身を除く): 22755260

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2063, 2495, 4126, 4990, 8252, 9980, 10315, 20630, 41260, 1029437, 2058874, 4117748, 5147185, 10294370, 20588740]

約数ペア:

[(1, 20588740), (2, 10294370), (4, 5147185), (5, 4117748), (10, 2058874), (20, 1029437), (499, 41260), (998, 20630), (1996, 10315), (2063, 9980), (2495, 8252), (4126, 4990)]