20218457084

素因数分解:

$2^2\times 7^1\times {\mathrm{1579}}^1\times {\mathrm{457307}}^1$

素因数の和:458897

約数の個数: 24

約数和(自身を含む): 40462611840

約数和(自身を除く): 20244154756

約数列:

[1, 2, 4, 7, 14, 28, 1579, 3158, 6316, 11053, 22106, 44212, 457307, 914614, 1829228, 3201149, 6402298, 12804596, 722087753, 1444175506, 2888351012, 5054614271, 10109228542, 20218457084]

約数ペア:

[(1, 20218457084), (2, 10109228542), (4, 5054614271), (7, 2888351012), (14, 1444175506), (28, 722087753), (1579, 12804596), (3158, 6402298), (6316, 3201149), (11053, 1829228), (22106, 914614), (44212, 457307)]