13931312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{20249}}^1$

素因数の和:20300

約数の個数: 20

約数和(自身を含む): 27621000

約数和(自身を除く): 13689688

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 20249, 40498, 80996, 161992, 323984, 870707, 1741414, 3482828, 6965656, 13931312]

約数ペア:

[(1, 13931312), (2, 6965656), (4, 3482828), (8, 1741414), (16, 870707), (43, 323984), (86, 161992), (172, 80996), (344, 40498), (688, 20249)]