20565392

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12479}}^1$

素因数の和:12590

約数の個数: 20

約数和(自身を含む): 40235520

約数和(自身を除く): 19670128

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12479, 24958, 49916, 99832, 199664, 1285337, 2570674, 5141348, 10282696, 20565392]

約数ペア:

[(1, 20565392), (2, 10282696), (4, 5141348), (8, 2570674), (16, 1285337), (103, 199664), (206, 99832), (412, 49916), (824, 24958), (1648, 12479)]