20392436

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 36408960

約数和(自身を除く): 16016524

約数列:

[1, 2, 4, 83, 166, 239, 257, 332, 478, 514, 956, 1028, 19837, 21331, 39674, 42662, 61423, 79348, 85324, 122846, 245692, 5098109, 10196218, 20392436]

約数ペア:

[(1, 20392436), (2, 10196218), (4, 5098109), (83, 245692), (166, 122846), (239, 85324), (257, 79348), (332, 61423), (478, 42662), (514, 39674), (956, 21331), (1028, 19837)]