16820778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{569}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 36388800

約数和(自身を除く): 19568022

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 379, 569, 758, 1137, 1138, 1707, 2274, 3414, 4927, 7397, 9854, 14781, 14794, 22191, 29562, 44382, 215651, 431302, 646953, 1293906, 2803463, 5606926, 8410389, 16820778]

約数ペア:

[(1, 16820778), (2, 8410389), (3, 5606926), (6, 2803463), (13, 1293906), (26, 646953), (39, 431302), (78, 215651), (379, 44382), (569, 29562), (758, 22191), (1137, 14794), (1138, 14781), (1707, 9854), (2274, 7397), (3414, 4927)]