20039089

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1637

約数の個数: 16

約数和(自身を含む): 24016000

約数和(自身を除く): 3976911

約数列:

[1, 7, 37, 49, 259, 343, 1579, 1813, 11053, 12691, 58423, 77371, 408961, 541597, 2862727, 20039089]

約数ペア:

[(1, 20039089), (7, 2862727), (37, 541597), (49, 408961), (259, 77371), (343, 58423), (1579, 12691), (1813, 11053)]