20451858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{486949}}^1$

素因数の和:486961

約数の個数: 16

約数和(自身を含む): 46747200

約数和(自身を除く): 26295342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 486949, 973898, 1460847, 2921694, 3408643, 6817286, 10225929, 20451858]

約数ペア:

[(1, 20451858), (2, 10225929), (3, 6817286), (6, 3408643), (7, 2921694), (14, 1460847), (21, 973898), (42, 486949)]