16620928

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 33507000

約数和(自身を除く): 16886072

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 1459, 2848, 2918, 5696, 5836, 11392, 11672, 23344, 46688, 93376, 129851, 186752, 259702, 519404, 1038808, 2077616, 4155232, 8310464, 16620928]

約数ペア:

[(1, 16620928), (2, 8310464), (4, 4155232), (8, 2077616), (16, 1038808), (32, 519404), (64, 259702), (89, 186752), (128, 129851), (178, 93376), (356, 46688), (712, 23344), (1424, 11672), (1459, 11392), (2848, 5836), (2918, 5696)]