20371605

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4339}}^1$

素因数の和:4660

約数の個数: 16

約数和(自身を含む): 32706240

約数和(自身を除く): 12334635

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4339, 4695, 13017, 21695, 65085, 1358107, 4074321, 6790535, 20371605]

約数ペア:

[(1, 20371605), (3, 6790535), (5, 4074321), (15, 1358107), (313, 65085), (939, 21695), (1565, 13017), (4339, 4695)]