20767984

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27617}}^1$

素因数の和:27672

約数の個数: 20

約数和(自身を含む): 41095584

約数和(自身を除く): 20327600

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27617, 55234, 110468, 220936, 441872, 1297999, 2595998, 5191996, 10383992, 20767984]

約数ペア:

[(1, 20767984), (2, 10383992), (4, 5191996), (8, 2595998), (16, 1297999), (47, 441872), (94, 220936), (188, 110468), (376, 55234), (752, 27617)]