20208765

素因数分解:

$3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1637}}^1$

素因数の和:2468

約数の個数: 16

約数和(自身を含む): 32393088

約数和(自身を除く): 12184323

約数列:

[1, 3, 5, 15, 823, 1637, 2469, 4115, 4911, 8185, 12345, 24555, 1347251, 4041753, 6736255, 20208765]

約数ペア:

[(1, 20208765), (3, 6736255), (5, 4041753), (15, 1347251), (823, 24555), (1637, 12345), (2469, 8185), (4115, 4911)]