16384540

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2003}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 34508880

約数和(自身を除く): 18124340

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2003, 2045, 4006, 4090, 8012, 8180, 10015, 20030, 40060, 819227, 1638454, 3276908, 4096135, 8192270, 16384540]

約数ペア:

[(1, 16384540), (2, 8192270), (4, 4096135), (5, 3276908), (10, 1638454), (20, 819227), (409, 40060), (818, 20030), (1636, 10015), (2003, 8180), (2045, 8012), (4006, 4090)]