20737353

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2053}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 34967296

約数和(自身を除く): 14229943

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 2053, 3367, 6159, 10101, 14371, 26689, 43113, 75961, 80067, 186823, 227883, 531727, 560469, 987493, 1595181, 2962479, 6912451, 20737353]

約数ペア:

[(1, 20737353), (3, 6912451), (7, 2962479), (13, 1595181), (21, 987493), (37, 560469), (39, 531727), (91, 227883), (111, 186823), (259, 80067), (273, 75961), (481, 43113), (777, 26689), (1443, 14371), (2053, 10101), (3367, 6159)]