20975163

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8707}}^1$

素因数の和:8794

約数の個数: 16

約数和(自身を含む): 30930816

約数和(自身を除く): 9955653

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8707, 26121, 95777, 287331, 635611, 1906833, 6991721, 20975163]

約数ペア:

[(1, 20975163), (3, 6991721), (11, 1906833), (33, 635611), (73, 287331), (219, 95777), (803, 26121), (2409, 8707)]