2011322020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{11311}}^1$

素因数の和:11860

約数の個数: 48

約数和(自身を含む): 4481180928

約数和(自身を除く): 2469858908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 523, 1046, 2092, 2615, 5230, 8891, 10460, 11311, 17782, 22622, 35564, 44455, 45244, 56555, 88910, 113110, 177820, 192287, 226220, 384574, 769148, 961435, 1922870, 3845740, 5915653, 11831306, 23662612, 29578265, 59156530, 100566101, 118313060, 201132202, 402264404, 502830505, 1005661010, 2011322020]

約数ペア:

[(1, 2011322020), (2, 1005661010), (4, 502830505), (5, 402264404), (10, 201132202), (17, 118313060), (20, 100566101), (34, 59156530), (68, 29578265), (85, 23662612), (170, 11831306), (340, 5915653), (523, 3845740), (1046, 1922870), (2092, 961435), (2615, 769148), (5230, 384574), (8891, 226220), (10460, 192287), (11311, 177820), (17782, 113110), (22622, 88910), (35564, 56555), (44455, 45244)]