20485766

素因数分解:

$2^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1303}}^1$

素因数の和:2435

約数の個数: 16

約数和(自身を含む): 35176704

約数和(自身を除く): 14690938

約数列:

[1, 2, 7, 14, 1123, 1303, 2246, 2606, 7861, 9121, 15722, 18242, 1463269, 2926538, 10242883, 20485766]

約数ペア:

[(1, 20485766), (2, 10242883), (7, 2926538), (14, 1463269), (1123, 18242), (1303, 15722), (2246, 9121), (2606, 7861)]