20495513187

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{919}}^1\times {\mathrm{11971}}^1$

素因数の和:12925

約数の個数: 40

約数和(自身を含む): 31985352960

約数和(自身を除く): 11489839773

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 919, 1863, 2757, 8271, 11971, 21137, 24813, 35913, 63411, 74439, 107739, 190233, 275333, 323217, 570699, 825999, 969651, 1712097, 2477997, 7433991, 11001349, 22301973, 33004047, 99012141, 253031027, 297036423, 759093081, 891109269, 2277279243, 6831837729, 20495513187]

約数ペア:

[(1, 20495513187), (3, 6831837729), (9, 2277279243), (23, 891109269), (27, 759093081), (69, 297036423), (81, 253031027), (207, 99012141), (621, 33004047), (919, 22301973), (1863, 11001349), (2757, 7433991), (8271, 2477997), (11971, 1712097), (21137, 969651), (24813, 825999), (35913, 570699), (63411, 323217), (74439, 275333), (107739, 190233)]