20805405

素因数分解:

$3^1\times 5^1\times {\mathrm{593}}^1\times {\mathrm{2339}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 12553635

約数列:

[1, 3, 5, 15, 593, 1779, 2339, 2965, 7017, 8895, 11695, 35085, 1387027, 4161081, 6935135, 20805405]

約数ペア:

[(1, 20805405), (3, 6935135), (5, 4161081), (15, 1387027), (593, 35085), (1779, 11695), (2339, 8895), (2965, 7017)]