13328020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2593}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 28108584

約数和(自身を除く): 14780564

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 2593, 5140, 5186, 10372, 12965, 25930, 51860, 666401, 1332802, 2665604, 3332005, 6664010, 13328020]

約数ペア:

[(1, 13328020), (2, 6664010), (4, 3332005), (5, 2665604), (10, 1332802), (20, 666401), (257, 51860), (514, 25930), (1028, 12965), (1285, 10372), (2570, 5186), (2593, 5140)]