16679020

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2039}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 35128800

約数和(自身を除く): 18449780

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2039, 2045, 4078, 4090, 8156, 8180, 10195, 20390, 40780, 833951, 1667902, 3335804, 4169755, 8339510, 16679020]

約数ペア:

[(1, 16679020), (2, 8339510), (4, 4169755), (5, 3335804), (10, 1667902), (20, 833951), (409, 40780), (818, 20390), (1636, 10195), (2039, 8180), (2045, 8156), (4078, 4090)]