20589872

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31387}}^1$

素因数の和:31436

約数の個数: 20

約数和(自身を含む): 40867176

約数和(自身を除く): 20277304

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31387, 62774, 125548, 251096, 502192, 1286867, 2573734, 5147468, 10294936, 20589872]

約数ペア:

[(1, 20589872), (2, 10294936), (4, 5147468), (8, 2573734), (16, 1286867), (41, 502192), (82, 251096), (164, 125548), (328, 62774), (656, 31387)]