20793311

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 6854689

約数列:

[1, 7, 11, 23, 59, 77, 161, 199, 253, 413, 649, 1357, 1393, 1771, 2189, 4543, 4577, 9499, 11741, 14927, 15323, 32039, 50347, 82187, 104489, 129151, 270043, 352429, 904057, 1890301, 2970473, 20793311]

約数ペア:

[(1, 20793311), (7, 2970473), (11, 1890301), (23, 904057), (59, 352429), (77, 270043), (161, 129151), (199, 104489), (253, 82187), (413, 50347), (649, 32039), (1357, 15323), (1393, 14927), (1771, 11741), (2189, 9499), (4543, 4577)]