20941166

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1819

約数の個数: 16

約数和(自身を含む): 32231520

約数和(自身を除く): 11290354

約数列:

[1, 2, 71, 89, 142, 178, 1657, 3314, 6319, 12638, 117647, 147473, 235294, 294946, 10470583, 20941166]

約数ペア:

[(1, 20941166), (2, 10470583), (71, 294946), (89, 235294), (142, 147473), (178, 117647), (1657, 12638), (3314, 6319)]