20671735

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2087}}^1$

素因数の和:2382

約数の個数: 16

約数和(自身を含む): 28463616

約数和(自身を除く): 7791881

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 2087, 9905, 10435, 14609, 73045, 590621, 2953105, 4134347, 20671735]

約数ペア:

[(1, 20671735), (5, 4134347), (7, 2953105), (35, 590621), (283, 73045), (1415, 14609), (1981, 10435), (2087, 9905)]