20416554

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21401}}^1$

素因数の和:21462

約数の個数: 24

約数和(自身を含む): 45072612

約数和(自身を除く): 24656058

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21401, 42802, 64203, 128406, 192609, 385218, 1134253, 2268506, 3402759, 6805518, 10208277, 20416554]

約数ペア:

[(1, 20416554), (2, 10208277), (3, 6805518), (6, 3402759), (9, 2268506), (18, 1134253), (53, 385218), (106, 192609), (159, 128406), (318, 64203), (477, 42802), (954, 21401)]