20215977

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2339}}^1$

素因数の和:2452

約数の個数: 16

約数和(自身を含む): 28005120

約数和(自身を除く): 7789143

約数列:

[1, 3, 43, 67, 129, 201, 2339, 2881, 7017, 8643, 100577, 156713, 301731, 470139, 6738659, 20215977]

約数ペア:

[(1, 20215977), (3, 6738659), (43, 470139), (67, 301731), (129, 156713), (201, 100577), (2339, 8643), (2881, 7017)]