20178870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{672629}}^1$

素因数の和:672639

約数の個数: 16

約数和(自身を含む): 48429360

約数和(自身を除く): 28250490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 672629, 1345258, 2017887, 3363145, 4035774, 6726290, 10089435, 20178870]

約数ペア:

[(1, 20178870), (2, 10089435), (3, 6726290), (5, 4035774), (6, 3363145), (10, 2017887), (15, 1345258), (30, 672629)]