20686127

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15803}}^1$

素因数の和:15838

約数の個数: 16

約数和(自身を含む): 27309312

約数和(自身を除く): 6623185

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15803, 110621, 173833, 268651, 1216831, 1880557, 2955161, 20686127]

約数ペア:

[(1, 20686127), (7, 2955161), (11, 1880557), (17, 1216831), (77, 268651), (119, 173833), (187, 110621), (1309, 15803)]