20406106

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 16457894

約数列:

[1, 2, 7, 14, 23, 46, 127, 161, 254, 322, 499, 889, 998, 1778, 2921, 3493, 5842, 6986, 11477, 20447, 22954, 40894, 63373, 80339, 126746, 160678, 443611, 887222, 1457579, 2915158, 10203053, 20406106]

約数ペア:

[(1, 20406106), (2, 10203053), (7, 2915158), (14, 1457579), (23, 887222), (46, 443611), (127, 160678), (161, 126746), (254, 80339), (322, 63373), (499, 40894), (889, 22954), (998, 20447), (1778, 11477), (2921, 6986), (3493, 5842)]