20201001

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 27899904

約数和(自身を除く): 7698903

約数列:

[1, 3, 37, 111, 127, 381, 1433, 4299, 4699, 14097, 53021, 159063, 181991, 545973, 6733667, 20201001]

約数ペア:

[(1, 20201001), (3, 6733667), (37, 545973), (111, 181991), (127, 159063), (381, 53021), (1433, 14097), (4299, 4699)]