20086612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 43684480

約数和(自身を除く): 23597868

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 397, 556, 794, 973, 1588, 1807, 1946, 2779, 3614, 3892, 5161, 5558, 7228, 10322, 11116, 12649, 20644, 25298, 36127, 50596, 55183, 72254, 110366, 144508, 220732, 386281, 717379, 772562, 1434758, 1545124, 2869516, 5021653, 10043306, 20086612]

約数ペア:

[(1, 20086612), (2, 10043306), (4, 5021653), (7, 2869516), (13, 1545124), (14, 1434758), (26, 772562), (28, 717379), (52, 386281), (91, 220732), (139, 144508), (182, 110366), (278, 72254), (364, 55183), (397, 50596), (556, 36127), (794, 25298), (973, 20644), (1588, 12649), (1807, 11116), (1946, 10322), (2779, 7228), (3614, 5558), (3892, 5161)]