20805966713

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1\times {\mathrm{115013}}^1$

素因数の和:115664

約数の個数: 16

約数和(自身を含む): 24371926656

約数和(自身を除く): 3565959943

約数列:

[1, 7, 43, 301, 601, 4207, 25843, 115013, 180901, 805091, 4945559, 34618913, 69122813, 483859691, 2972280959, 20805966713]

約数ペア:

[(1, 20805966713), (7, 2972280959), (43, 483859691), (301, 69122813), (601, 34618913), (4207, 4945559), (25843, 805091), (115013, 180901)]