20838807

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5689}}^1$

素因数の和:5743

約数の個数: 24

約数和(自身を含む): 33730320

約数和(自身を除く): 12891513

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5689, 17067, 51201, 62579, 187737, 210493, 563211, 631479, 1894437, 2315423, 6946269, 20838807]

約数ペア:

[(1, 20838807), (3, 6946269), (9, 2315423), (11, 1894437), (33, 631479), (37, 563211), (99, 210493), (111, 187737), (333, 62579), (407, 51201), (1221, 17067), (3663, 5689)]