20765264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99833}}^1$

素因数の和:99854

約数の個数: 20

約数和(自身を含む): 43327956

約数和(自身を除く): 22562692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99833, 199666, 399332, 798664, 1297829, 1597328, 2595658, 5191316, 10382632, 20765264]

約数ペア:

[(1, 20765264), (2, 10382632), (4, 5191316), (8, 2595658), (13, 1597328), (16, 1297829), (26, 798664), (52, 399332), (104, 199666), (208, 99833)]