20539563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{971}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 29953152

約数和(自身を除く): 9413589

約数列:

[1, 3, 11, 33, 641, 971, 1923, 2913, 7051, 10681, 21153, 32043, 622411, 1867233, 6846521, 20539563]

約数ペア:

[(1, 20539563), (3, 6846521), (11, 1867233), (33, 622411), (641, 32043), (971, 21153), (1923, 10681), (2913, 7051)]