220171568

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{193813}}^1$

素因数の和:193892

約数の個数: 20

約数和(自身を含む): 432592848

約数和(自身を除く): 212421280

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 193813, 387626, 775252, 1550504, 3101008, 13760723, 27521446, 55042892, 110085784, 220171568]

約数ペア:

[(1, 220171568), (2, 110085784), (4, 55042892), (8, 27521446), (16, 13760723), (71, 3101008), (142, 1550504), (284, 775252), (568, 387626), (1136, 193813)]