20110780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4391}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 42426720

約数和(自身を除く): 22315940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4391, 4580, 8782, 17564, 21955, 43910, 87820, 1005539, 2011078, 4022156, 5027695, 10055390, 20110780]

約数ペア:

[(1, 20110780), (2, 10055390), (4, 5027695), (5, 4022156), (10, 2011078), (20, 1005539), (229, 87820), (458, 43910), (916, 21955), (1145, 17564), (2290, 8782), (4391, 4580)]