20700255

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4409}}^1$

素因数の和:4730

約数の個数: 16

約数和(自身を含む): 33233760

約数和(自身を除く): 12533505

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4409, 4695, 13227, 22045, 66135, 1380017, 4140051, 6900085, 20700255]

約数ペア:

[(1, 20700255), (3, 6900085), (5, 4140051), (15, 1380017), (313, 66135), (939, 22045), (1565, 13227), (4409, 4695)]