20515578

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{13001}}^1$

素因数の和:13269

約数の個数: 16

約数和(自身を含む): 41190336

約数和(自身を除く): 20674758

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 13001, 26002, 39003, 78006, 3419263, 6838526, 10257789, 20515578]

約数ペア:

[(1, 20515578), (2, 10257789), (3, 6838526), (6, 3419263), (263, 78006), (526, 39003), (789, 26002), (1578, 13001)]