2145752020

素因数分解:

$2^2\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{44909}}^1$

素因数の和:47307

約数の個数: 24

約数和(自身を含む): 4508065800

約数和(自身を除く): 2362313780

約数列:

[1, 2, 4, 5, 10, 20, 2389, 4778, 9556, 11945, 23890, 44909, 47780, 89818, 179636, 224545, 449090, 898180, 107287601, 214575202, 429150404, 536438005, 1072876010, 2145752020]

約数ペア:

[(1, 2145752020), (2, 1072876010), (4, 536438005), (5, 429150404), (10, 214575202), (20, 107287601), (2389, 898180), (4778, 449090), (9556, 224545), (11945, 179636), (23890, 89818), (44909, 47780)]