20537271

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1447}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 31624320

約数和(自身を除く): 11087049

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1447, 1577, 4341, 4731, 13023, 14193, 27493, 82479, 120101, 247437, 360303, 1080909, 2281919, 6845757, 20537271]

約数ペア:

[(1, 20537271), (3, 6845757), (9, 2281919), (19, 1080909), (57, 360303), (83, 247437), (171, 120101), (249, 82479), (747, 27493), (1447, 14193), (1577, 13023), (4341, 4731)]