20876638472

素因数分解:

$2^3\times {\mathrm{5003}}^1\times {\mathrm{521603}}^1$

素因数の和:526612

約数の個数: 16

約数和(自身を含む): 39151596240

約数和(自身を除く): 18274957768

約数列:

[1, 2, 4, 8, 5003, 10006, 20012, 40024, 521603, 1043206, 2086412, 4172824, 2609579809, 5219159618, 10438319236, 20876638472]

約数ペア:

[(1, 20876638472), (2, 10438319236), (4, 5219159618), (8, 2609579809), (5003, 4172824), (10006, 2086412), (20012, 1043206), (40024, 521603)]