20307213

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10303}}^1$

素因数の和:10385

約数の個数: 16

約数和(自身を含む): 30499840

約数和(自身を除く): 10192627

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10303, 30909, 92727, 278181, 752119, 2256357, 6769071, 20307213]

約数ペア:

[(1, 20307213), (3, 6769071), (9, 2256357), (27, 752119), (73, 278181), (219, 92727), (657, 30909), (1971, 10303)]