20249595

素因数分解:

$3^4\times 5^1\times {\mathrm{49999}}^1$

素因数の和:50016

約数の個数: 20

約数和(自身を含む): 36300000

約数和(自身を除く): 16050405

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49999, 149997, 249995, 449991, 749985, 1349973, 2249955, 4049919, 6749865, 20249595]

約数ペア:

[(1, 20249595), (3, 6749865), (5, 4049919), (9, 2249955), (15, 1349973), (27, 749985), (45, 449991), (81, 249995), (135, 149997), (405, 49999)]