20817643

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7307}}^1$

素因数の和:7362

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 5841941

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7307, 51149, 80377, 270359, 562639, 1892513, 2973949, 20817643]

約数ペア:

[(1, 20817643), (7, 2973949), (11, 1892513), (37, 562639), (77, 270359), (259, 80377), (407, 51149), (2849, 7307)]