20803497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12291159

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 683, 781, 923, 2049, 2343, 2769, 7513, 8879, 10153, 22539, 26637, 30459, 48493, 97669, 145479, 293007, 533423, 630409, 1600269, 1891227, 6934499, 20803497]

約数ペア:

[(1, 20803497), (3, 6934499), (11, 1891227), (13, 1600269), (33, 630409), (39, 533423), (71, 293007), (143, 145479), (213, 97669), (429, 48493), (683, 30459), (781, 26637), (923, 22539), (2049, 10153), (2343, 8879), (2769, 7513)]