20199234957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{21499}}^1$

素因数の和:21985

約数の個数: 32

約数和(自身を含む): 29870208000

約数和(自身を除く): 9670973043

約数列:

[1, 3, 11, 33, 71, 213, 401, 781, 1203, 2343, 4411, 13233, 21499, 28471, 64497, 85413, 236489, 313181, 709467, 939543, 1526429, 4579287, 8621099, 16790719, 25863297, 50372157, 94832089, 284496267, 612098029, 1836294087, 6733078319, 20199234957]

約数ペア:

[(1, 20199234957), (3, 6733078319), (11, 1836294087), (33, 612098029), (71, 284496267), (213, 94832089), (401, 50372157), (781, 25863297), (1203, 16790719), (2343, 8621099), (4411, 4579287), (13233, 1526429), (21499, 939543), (28471, 709467), (64497, 313181), (85413, 236489)]