20467293

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 34255872

約数和(自身を除く): 13788579

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 353, 753, 1059, 1757, 2471, 2761, 3883, 5271, 7413, 8283, 11649, 19327, 27181, 57981, 81543, 88603, 265809, 620221, 974633, 1860663, 2923899, 6822431, 20467293]

約数ペア:

[(1, 20467293), (3, 6822431), (7, 2923899), (11, 1860663), (21, 974633), (33, 620221), (77, 265809), (231, 88603), (251, 81543), (353, 57981), (753, 27181), (1059, 19327), (1757, 11649), (2471, 8283), (2761, 7413), (3883, 5271)]