20185721777

素因数分解:

${\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{661}}^1\times {\mathrm{5351}}^1$

素因数の和:6464

約数の個数: 16

約数和(自身を含む): 21825027840

約数和(自身を除く): 1639306063

約数列:

[1, 13, 439, 661, 5351, 5707, 8593, 69563, 290179, 2349089, 3537011, 3772327, 30538157, 45981143, 1552747829, 20185721777]

約数ペア:

[(1, 20185721777), (13, 1552747829), (439, 45981143), (661, 30538157), (5351, 3772327), (5707, 3537011), (8593, 2349089), (69563, 290179)]