20402508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{242887}}^1$

素因数の和:242901

約数の個数: 24

約数和(自身を含む): 54406912

約数和(自身を除く): 34004404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 242887, 485774, 728661, 971548, 1457322, 1700209, 2914644, 3400418, 5100627, 6800836, 10201254, 20402508]

約数ペア:

[(1, 20402508), (2, 10201254), (3, 6800836), (4, 5100627), (6, 3400418), (7, 2914644), (12, 1700209), (14, 1457322), (21, 971548), (28, 728661), (42, 485774), (84, 242887)]