20521548

素因数分解:

$2^2\times 3^2\times {\mathrm{570043}}^1$

素因数の和:570053

約数の個数: 18

約数和(自身を含む): 51874004

約数和(自身を除く): 31352456

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570043, 1140086, 1710129, 2280172, 3420258, 5130387, 6840516, 10260774, 20521548]

約数ペア:

[(1, 20521548), (2, 10260774), (3, 6840516), (4, 5130387), (6, 3420258), (9, 2280172), (12, 1710129), (18, 1140086), (36, 570043)]