20011894

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5519}}^1$

素因数の和:5572

約数の個数: 24

約数和(自身を含む): 35868960

約数和(自身を除く): 15857066

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5519, 11038, 38633, 77266, 204203, 270431, 408406, 540862, 1429421, 2858842, 10005947, 20011894]

約数ペア:

[(1, 20011894), (2, 10005947), (7, 2858842), (14, 1429421), (37, 540862), (49, 408406), (74, 270431), (98, 204203), (259, 77266), (518, 38633), (1813, 11038), (3626, 5519)]