19820735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1301}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 26060832

約数和(自身を除く): 6240097

約数列:

[1, 5, 11, 55, 277, 1301, 1385, 3047, 6505, 14311, 15235, 71555, 360377, 1801885, 3964147, 19820735]

約数ペア:

[(1, 19820735), (5, 3964147), (11, 1801885), (55, 360377), (277, 71555), (1301, 15235), (1385, 14311), (3047, 6505)]