20212875004

素因数分解:

$2^2\times 7^1\times {\mathrm{10691}}^1\times {\mathrm{67523}}^1$

素因数の和:78225

約数の個数: 24

約数和(自身を含む): 40430130048

約数和(自身を除く): 20217255044

約数列:

[1, 2, 4, 7, 14, 28, 10691, 21382, 42764, 67523, 74837, 135046, 149674, 270092, 299348, 472661, 945322, 1890644, 721888393, 1443776786, 2887553572, 5053218751, 10106437502, 20212875004]

約数ペア:

[(1, 20212875004), (2, 10106437502), (4, 5053218751), (7, 2887553572), (14, 1443776786), (28, 721888393), (10691, 1890644), (21382, 945322), (42764, 472661), (67523, 299348), (74837, 270092), (135046, 149674)]