20431366

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{1291}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 31581648

約数和(自身を除く): 11150282

約数列:

[1, 2, 41, 82, 193, 386, 1291, 2582, 7913, 15826, 52931, 105862, 249163, 498326, 10215683, 20431366]

約数ペア:

[(1, 20431366), (2, 10215683), (41, 498326), (82, 249163), (193, 105862), (386, 52931), (1291, 15826), (2582, 7913)]