20001051

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4349}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 33477600

約数和(自身を除く): 13476549

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4349, 4599, 13047, 30443, 39141, 91329, 273987, 317477, 952431, 2222339, 2857293, 6667017, 20001051]

約数ペア:

[(1, 20001051), (3, 6667017), (7, 2857293), (9, 2222339), (21, 952431), (63, 317477), (73, 273987), (219, 91329), (511, 39141), (657, 30443), (1533, 13047), (4349, 4599)]