20960721

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4337}}^1$

素因数の和:4525

約数の個数: 16

約数和(自身を含む): 31233600

約数和(自身を除く): 10272879

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4337, 4833, 13011, 39033, 117099, 776323, 2328969, 6986907, 20960721]

約数ペア:

[(1, 20960721), (3, 6986907), (9, 2328969), (27, 776323), (179, 117099), (537, 39033), (1611, 13011), (4337, 4833)]