20211883479

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{2579}}^1\times {\mathrm{15277}}^1$

素因数の和:17884

約数の個数: 32

約数和(自身を含む): 31533792000

約数和(自身を除く): 11321908521

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 2579, 7737, 15277, 23211, 45831, 49001, 69633, 137493, 147003, 290263, 412479, 441009, 870789, 1323027, 2612367, 7837101, 39399383, 118198149, 354594447, 748588277, 1063783341, 2245764831, 6737294493, 20211883479]

約数ペア:

[(1, 20211883479), (3, 6737294493), (9, 2245764831), (19, 1063783341), (27, 748588277), (57, 354594447), (171, 118198149), (513, 39399383), (2579, 7837101), (7737, 2612367), (15277, 1323027), (23211, 870789), (45831, 441009), (49001, 412479), (69633, 290263), (137493, 147003)]