20405792165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16131061}}^1$

素因数の和:16131100

約数の個数: 16

約数和(自身を含む): 27874475136

約数和(自身を除く): 7468682971

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16131061, 80655305, 177441671, 371014403, 887208355, 1855072015, 4081158433, 20405792165]

約数ペア:

[(1, 20405792165), (5, 4081158433), (11, 1855072015), (23, 887208355), (55, 371014403), (115, 177441671), (253, 80655305), (1265, 16131061)]