20118951

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1171}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 30715776

約数和(自身を除く): 10596825

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1171, 1909, 3513, 5727, 10539, 17181, 26933, 80799, 97193, 242397, 291579, 874737, 2235439, 6706317, 20118951]

約数ペア:

[(1, 20118951), (3, 6706317), (9, 2235439), (23, 874737), (69, 291579), (83, 242397), (207, 97193), (249, 80799), (747, 26933), (1171, 17181), (1909, 10539), (3513, 5727)]