20289495

素因数分解:

$3^1\times 5^1\times {\mathrm{593}}^1\times {\mathrm{2281}}^1$

素因数の和:2882

約数の個数: 16

約数和(自身を含む): 32532192

約数和(自身を除く): 12242697

約数列:

[1, 3, 5, 15, 593, 1779, 2281, 2965, 6843, 8895, 11405, 34215, 1352633, 4057899, 6763165, 20289495]

約数ペア:

[(1, 20289495), (3, 6763165), (5, 4057899), (15, 1352633), (593, 34215), (1779, 11405), (2281, 8895), (2965, 6843)]