20491060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21799}}^1$

素因数の和:21855

約数の個数: 24

約数和(自身を含む): 43948800

約数和(自身を除く): 23457740

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21799, 43598, 87196, 108995, 217990, 435980, 1024553, 2049106, 4098212, 5122765, 10245530, 20491060]

約数ペア:

[(1, 20491060), (2, 10245530), (4, 5122765), (5, 4098212), (10, 2049106), (20, 1024553), (47, 435980), (94, 217990), (188, 108995), (235, 87196), (470, 43598), (940, 21799)]