20673849

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1861}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 32949952

約数和(自身を除く): 12276103

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1861, 3703, 5583, 11109, 13027, 39081, 42803, 128409, 299621, 898863, 984469, 2953407, 6891283, 20673849]

約数ペア:

[(1, 20673849), (3, 6891283), (7, 2953407), (21, 984469), (23, 898863), (69, 299621), (161, 128409), (483, 42803), (529, 39081), (1587, 13027), (1861, 11109), (3703, 5583)]