20793519

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 31619952

約数和(自身を除く): 10826433

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 1523, 4551, 4569, 13653, 13707, 56351, 62443, 169053, 187329, 507159, 561987, 2310391, 6931173, 20793519]

約数ペア:

[(1, 20793519), (3, 6931173), (9, 2310391), (37, 561987), (41, 507159), (111, 187329), (123, 169053), (333, 62443), (369, 56351), (1517, 13707), (1523, 13653), (4551, 4569)]