20510147138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{426637}}^1$

素因数の和:426738

約数の個数: 24

約数和(自身を含む): 33920280828

約数和(自身を除く): 13410133690

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 1849, 3698, 24037, 48074, 426637, 853274, 5546281, 11092562, 18345391, 36690782, 238490083, 476980166, 788851813, 1577703626, 10255073569, 20510147138]

約数ペア:

[(1, 20510147138), (2, 10255073569), (13, 1577703626), (26, 788851813), (43, 476980166), (86, 238490083), (559, 36690782), (1118, 18345391), (1849, 11092562), (3698, 5546281), (24037, 853274), (48074, 426637)]