17920669

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 20623680

約数和(自身を除く): 2703011

約数列:

[1, 13, 17, 131, 221, 619, 1703, 2227, 8047, 10523, 28951, 81089, 136799, 1054157, 1378513, 17920669]

約数ペア:

[(1, 17920669), (13, 1378513), (17, 1054157), (131, 136799), (221, 81089), (619, 28951), (1703, 10523), (2227, 8047)]