20019146

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5521}}^1$

素因数の和:5574

約数の個数: 24

約数和(自身を含む): 35881956

約数和(自身を除く): 15862810

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5521, 11042, 38647, 77294, 204277, 270529, 408554, 541058, 1429939, 2859878, 10009573, 20019146]

約数ペア:

[(1, 20019146), (2, 10009573), (7, 2859878), (14, 1429939), (37, 541058), (49, 408554), (74, 270529), (98, 204277), (259, 77294), (518, 38647), (1813, 11042), (3626, 5521)]