13821232

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{20089}}^1$

素因数の和:20140

約数の個数: 20

約数和(自身を含む): 27402760

約数和(自身を除く): 13581528

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 20089, 40178, 80356, 160712, 321424, 863827, 1727654, 3455308, 6910616, 13821232]

約数ペア:

[(1, 13821232), (2, 6910616), (4, 3455308), (8, 1727654), (16, 863827), (43, 321424), (86, 160712), (172, 80356), (344, 40178), (688, 20089)]