20338808

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15791}}^1$

素因数の和:15827

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 25142152

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15791, 31582, 63164, 110537, 126328, 221074, 363193, 442148, 726386, 884296, 1452772, 2542351, 2905544, 5084702, 10169404, 20338808]

約数ペア:

[(1, 20338808), (2, 10169404), (4, 5084702), (7, 2905544), (8, 2542351), (14, 1452772), (23, 884296), (28, 726386), (46, 442148), (56, 363193), (92, 221074), (161, 126328), (184, 110537), (322, 63164), (644, 31582), (1288, 15791)]