20188050001

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{77713}}^1$

素因数の和:77833

約数の個数: 32

約数和(自身を含む): 25515060480

約数和(自身を除く): 5327010479

約数列:

[1, 7, 17, 37, 59, 119, 259, 413, 629, 1003, 2183, 4403, 7021, 15281, 37111, 77713, 259777, 543991, 1321121, 2875381, 4585067, 9247847, 20127667, 32095469, 48881477, 77946139, 169647479, 342170339, 545622973, 1187532353, 2884007143, 20188050001]

約数ペア:

[(1, 20188050001), (7, 2884007143), (17, 1187532353), (37, 545622973), (59, 342170339), (119, 169647479), (259, 77946139), (413, 48881477), (629, 32095469), (1003, 20127667), (2183, 9247847), (4403, 4585067), (7021, 2875381), (15281, 1321121), (37111, 543991), (77713, 259777)]