15370220

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1879}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 32373600

約数和(自身を除く): 17003380

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 1879, 2045, 3758, 4090, 7516, 8180, 9395, 18790, 37580, 768511, 1537022, 3074044, 3842555, 7685110, 15370220]

約数ペア:

[(1, 15370220), (2, 7685110), (4, 3842555), (5, 3074044), (10, 1537022), (20, 768511), (409, 37580), (818, 18790), (1636, 9395), (1879, 8180), (2045, 7516), (3758, 4090)]