20529105

素因数分解:

$3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1667}}^1$

素因数の和:2496

約数の個数: 16

約数和(自身を含む): 32906304

約数和(自身を除く): 12377199

約数列:

[1, 3, 5, 15, 821, 1667, 2463, 4105, 5001, 8335, 12315, 25005, 1368607, 4105821, 6843035, 20529105]

約数ペア:

[(1, 20529105), (3, 6843035), (5, 4105821), (15, 1368607), (821, 25005), (1667, 12315), (2463, 8335), (4105, 5001)]