20882147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 25297920

約数和(自身を除く): 4415773

約数列:

[1, 11, 13, 47, 143, 169, 239, 517, 611, 1859, 2629, 3107, 6721, 7943, 11233, 34177, 40391, 87373, 123563, 146029, 444301, 1606319, 1898377, 20882147]

約数ペア:

[(1, 20882147), (11, 1898377), (13, 1606319), (47, 444301), (143, 146029), (169, 123563), (239, 87373), (517, 40391), (611, 34177), (1859, 11233), (2629, 7943), (3107, 6721)]