20187457929

素因数分解:

$3^3\times {\mathrm{1669}}^1\times {\mathrm{447983}}^1$

素因数の和:449661

約数の個数: 16

約数和(自身を含む): 29925331200

約数和(自身を除く): 9737873271

約数列:

[1, 3, 9, 27, 1669, 5007, 15021, 45063, 447983, 1343949, 4031847, 12095541, 747683627, 2243050881, 6729152643, 20187457929]

約数ペア:

[(1, 20187457929), (3, 6729152643), (9, 2243050881), (27, 747683627), (1669, 12095541), (5007, 4031847), (15021, 1343949), (45063, 447983)]