20326941

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4099}}^1$

素因数の和:4153

約数の個数: 24

約数和(自身を含む): 31980000

約数和(自身を除く): 11653059

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4099, 4959, 12297, 36891, 77881, 118871, 233643, 356613, 700929, 1069839, 2258549, 6775647, 20326941]

約数ペア:

[(1, 20326941), (3, 6775647), (9, 2258549), (19, 1069839), (29, 700929), (57, 356613), (87, 233643), (171, 118871), (261, 77881), (551, 36891), (1653, 12297), (4099, 4959)]