20553912033

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1\times {\mathrm{4691}}^1$

素因数の和:6385

約数の個数: 32

約数和(自身を含む): 29589328512

約数和(自身を除く): 9035416479

約数列:

[1, 3, 17, 51, 53, 159, 901, 1621, 2703, 4691, 4863, 14073, 27557, 79747, 82671, 85913, 239241, 248623, 257739, 745869, 1460521, 4226591, 4381563, 7604111, 12679773, 22812333, 129269887, 387809661, 403017883, 1209053649, 6851304011, 20553912033]

約数ペア:

[(1, 20553912033), (3, 6851304011), (17, 1209053649), (51, 403017883), (53, 387809661), (159, 129269887), (901, 22812333), (1621, 12679773), (2703, 7604111), (4691, 4381563), (4863, 4226591), (14073, 1460521), (27557, 745869), (79747, 257739), (82671, 248623), (85913, 239241)]