20743052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5297}}^1$

素因数の和:5401

約数の個数: 24

約数和(自身を含む): 40052880

約数和(自身を除く): 19309828

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5297, 10594, 21188, 58267, 116534, 233068, 471433, 942866, 1885732, 5185763, 10371526, 20743052]

約数ペア:

[(1, 20743052), (2, 10371526), (4, 5185763), (11, 1885732), (22, 942866), (44, 471433), (89, 233068), (178, 116534), (356, 58267), (979, 21188), (1958, 10594), (3916, 5297)]