19847660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141769}}^1$

素因数の和:141785

約数の個数: 24

約数和(自身を含む): 47634720

約数和(自身を除く): 27787060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141769, 283538, 567076, 708845, 992383, 1417690, 1984766, 2835380, 3969532, 4961915, 9923830, 19847660]

約数ペア:

[(1, 19847660), (2, 9923830), (4, 4961915), (5, 3969532), (7, 2835380), (10, 1984766), (14, 1417690), (20, 992383), (28, 708845), (35, 567076), (70, 283538), (140, 141769)]