16449980

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2011}}^1$

素因数の和:2429

約数の個数: 24

約数和(自身を含む): 34646640

約数和(自身を除く): 18196660

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2011, 2045, 4022, 4090, 8044, 8180, 10055, 20110, 40220, 822499, 1644998, 3289996, 4112495, 8224990, 16449980]

約数ペア:

[(1, 16449980), (2, 8224990), (4, 4112495), (5, 3289996), (10, 1644998), (20, 822499), (409, 40220), (818, 20110), (1636, 10055), (2011, 8180), (2045, 8044), (4022, 4090)]