20620642

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47513}}^1$

素因数の和:47553

約数の個数: 16

約数和(自身を含む): 36490752

約数和(自身を除く): 15870110

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47513, 95026, 332591, 665182, 1472903, 2945806, 10310321, 20620642]

約数ペア:

[(1, 20620642), (2, 10310321), (7, 2945806), (14, 1472903), (31, 665182), (62, 332591), (217, 95026), (434, 47513)]