20104692020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1967191}}^1$

素因数の和:1967280

約数の個数: 48

約数和(自身を含む): 48912261888

約数和(自身を除く): 28807569868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 1967191, 3934382, 7868764, 9835955, 13770337, 19671910, 27540674, 39343820, 55081348, 68851685, 137703370, 143604943, 275406740, 287209886, 574419772, 718024715, 1005234601, 1436049430, 2010469202, 2872098860, 4020938404, 5026173005, 10052346010, 20104692020]

約数ペア:

[(1, 20104692020), (2, 10052346010), (4, 5026173005), (5, 4020938404), (7, 2872098860), (10, 2010469202), (14, 1436049430), (20, 1005234601), (28, 718024715), (35, 574419772), (70, 287209886), (73, 275406740), (140, 143604943), (146, 137703370), (292, 68851685), (365, 55081348), (511, 39343820), (730, 27540674), (1022, 19671910), (1460, 13770337), (2044, 9835955), (2555, 7868764), (5110, 3934382), (10220, 1967191)]