20455935

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9811}}^1$

素因数の和:9958

約数の個数: 16

約数和(自身を含む): 32968320

約数和(自身を除く): 12512385

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 9811, 29433, 49055, 147165, 1363729, 4091187, 6818645, 20455935]

約数ペア:

[(1, 20455935), (3, 6818645), (5, 4091187), (15, 1363729), (139, 147165), (417, 49055), (695, 29433), (2085, 9811)]