20807157

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1873}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 33162304

約数和(自身を除く): 12355147

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1873, 3703, 5619, 11109, 13111, 39333, 43079, 129237, 301553, 904659, 990817, 2972451, 6935719, 20807157]

約数ペア:

[(1, 20807157), (3, 6935719), (7, 2972451), (21, 990817), (23, 904659), (69, 301553), (161, 129237), (483, 43079), (529, 39333), (1587, 13111), (1873, 11109), (3703, 5619)]