20005993

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{419}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4186007

約数列:

[1, 7, 19, 133, 359, 419, 2513, 2933, 6821, 7961, 47747, 55727, 150421, 1052947, 2857999, 20005993]

約数ペア:

[(1, 20005993), (7, 2857999), (19, 1052947), (133, 150421), (359, 55727), (419, 47747), (2513, 7961), (2933, 6821)]