20646972

素因数分解:

$2^2\times 3^2\times {\mathrm{573527}}^1$

素因数の和:573537

約数の個数: 18

約数和(自身を含む): 52191048

約数和(自身を除く): 31544076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 573527, 1147054, 1720581, 2294108, 3441162, 5161743, 6882324, 10323486, 20646972]

約数ペア:

[(1, 20646972), (2, 10323486), (3, 6882324), (4, 5161743), (6, 3441162), (9, 2294108), (12, 1720581), (18, 1147054), (36, 573527)]