20627841

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1319}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 29715840

約数和(自身を除く): 9087999

約数列:

[1, 3, 13, 39, 401, 1203, 1319, 3957, 5213, 15639, 17147, 51441, 528919, 1586757, 6875947, 20627841]

約数ペア:

[(1, 20627841), (3, 6875947), (13, 1586757), (39, 528919), (401, 51441), (1203, 17147), (1319, 15639), (3957, 5213)]