20178393989

素因数分解:

${\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{439}}^1\times {\mathrm{1289}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 22020609600

約数和(自身を除く): 1842215611

約数列:

[1, 13, 169, 211, 439, 1289, 2743, 5707, 16757, 35659, 74191, 92629, 217841, 271979, 565871, 1204177, 3535727, 7356323, 15654301, 45964451, 95632199, 119398781, 1552184153, 20178393989]

約数ペア:

[(1, 20178393989), (13, 1552184153), (169, 119398781), (211, 95632199), (439, 45964451), (1289, 15654301), (2743, 7356323), (5707, 3535727), (16757, 1204177), (35659, 565871), (74191, 271979), (92629, 217841)]