20371316

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11927}}^1$

素因数の和:11999

約数の個数: 24

約数和(自身を含む): 41414016

約数和(自身を除く): 21042700

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11927, 23854, 47708, 83489, 166978, 333956, 727547, 1455094, 2910188, 5092829, 10185658, 20371316]

約数ペア:

[(1, 20371316), (2, 10185658), (4, 5092829), (7, 2910188), (14, 1455094), (28, 727547), (61, 333956), (122, 166978), (244, 83489), (427, 47708), (854, 23854), (1708, 11927)]