20188891161

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{7883}}^1$

素因数の和:8806

約数の個数: 48

約数和(自身を含む): 32543259840

約数和(自身を除く): 12354368679

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 881, 969, 2643, 2907, 7883, 7929, 14977, 16739, 23649, 44931, 50217, 70947, 134011, 134793, 149777, 150651, 284563, 402033, 449331, 853689, 1206099, 1347993, 2546209, 2561067, 6944923, 7638627, 20834769, 22915881, 62504307, 118063691, 131953537, 354191073, 395860611, 1062573219, 1187581833, 2243210129, 6729630387, 20188891161]

約数ペア:

[(1, 20188891161), (3, 6729630387), (9, 2243210129), (17, 1187581833), (19, 1062573219), (51, 395860611), (57, 354191073), (153, 131953537), (171, 118063691), (323, 62504307), (881, 22915881), (969, 20834769), (2643, 7638627), (2907, 6944923), (7883, 2561067), (7929, 2546209), (14977, 1347993), (16739, 1206099), (23649, 853689), (44931, 449331), (50217, 402033), (70947, 284563), (134011, 150651), (134793, 149777)]