20565363

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 34255872

約数和(自身を除く): 13690509

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1061, 1491, 2769, 3183, 6461, 7427, 13793, 19383, 22281, 41379, 75331, 96551, 225993, 289653, 527317, 979303, 1581951, 2937909, 6855121, 20565363]

約数ペア:

[(1, 20565363), (3, 6855121), (7, 2937909), (13, 1581951), (21, 979303), (39, 527317), (71, 289653), (91, 225993), (213, 96551), (273, 75331), (497, 41379), (923, 22281), (1061, 19383), (1491, 13793), (2769, 7427), (3183, 6461)]