20389719251

素因数分解:

${\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{1908971}}^1$

素因数の和:1909953

約数の個数: 8

約数和(自身を含む): 22266249408

約数和(自身を除く): 1876530157

約数列:

[1, 11, 971, 10681, 1908971, 20998681, 1853610841, 20389719251]

約数ペア:

[(1, 20389719251), (11, 1853610841), (971, 20998681), (10681, 1908971)]