20861470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{298021}}^1$

素因数の和:298035

約数の個数: 16

約数和(自身を含む): 42915168

約数和(自身を除く): 22053698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 298021, 596042, 1490105, 2086147, 2980210, 4172294, 10430735, 20861470]

約数ペア:

[(1, 20861470), (2, 10430735), (5, 4172294), (7, 2980210), (10, 2086147), (14, 1490105), (35, 596042), (70, 298021)]