20512902321

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44690419}}^1$

素因数の和:44690445

約数の個数: 16

約数和(自身を含む): 32177102400

約数和(自身を除く): 11664200079

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44690419, 134071257, 402213771, 759737123, 1206641313, 2279211369, 6837634107, 20512902321]

約数ペア:

[(1, 20512902321), (3, 6837634107), (9, 2279211369), (17, 1206641313), (27, 759737123), (51, 402213771), (153, 134071257), (459, 44690419)]