20815696433

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{9547}}^1$

素因数の和:9773

約数の個数: 32

約数和(自身を含む): 24946403328

約数和(自身を除く): 4130706895

約数列:

[1, 7, 41, 71, 107, 287, 497, 749, 2911, 4387, 7597, 9547, 20377, 30709, 53179, 66829, 311477, 391427, 677837, 1021529, 2180339, 2739989, 4744859, 7150703, 27791317, 41882689, 72528559, 194539219, 293178823, 507699913, 2973670919, 20815696433]

約数ペア:

[(1, 20815696433), (7, 2973670919), (41, 507699913), (71, 293178823), (107, 194539219), (287, 72528559), (497, 41882689), (749, 27791317), (2911, 7150703), (4387, 4744859), (7597, 2739989), (9547, 2180339), (20377, 1021529), (30709, 677837), (53179, 391427), (66829, 311477)]