20053737

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 33244992

約数和(自身を除く): 13191255

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 297, 317, 639, 781, 891, 951, 1917, 2343, 2853, 3487, 5751, 7029, 8559, 10461, 21087, 22507, 25677, 31383, 63261, 67521, 94149, 202563, 247577, 282447, 607689, 742731, 1823067, 2228193, 6684579, 20053737]

約数ペア:

[(1, 20053737), (3, 6684579), (9, 2228193), (11, 1823067), (27, 742731), (33, 607689), (71, 282447), (81, 247577), (99, 202563), (213, 94149), (297, 67521), (317, 63261), (639, 31383), (781, 25677), (891, 22507), (951, 21087), (1917, 10461), (2343, 8559), (2853, 7029), (3487, 5751)]