20887380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116041}}^1$

素因数の和:116056

約数の個数: 36

約数和(自身を含む): 63358932

約数和(自身を除く): 42471552

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116041, 232082, 348123, 464164, 580205, 696246, 1044369, 1160410, 1392492, 1740615, 2088738, 2320820, 3481230, 4177476, 5221845, 6962460, 10443690, 20887380]

約数ペア:

[(1, 20887380), (2, 10443690), (3, 6962460), (4, 5221845), (5, 4177476), (6, 3481230), (9, 2320820), (10, 2088738), (12, 1740615), (15, 1392492), (18, 1160410), (20, 1044369), (30, 696246), (36, 580205), (45, 464164), (60, 348123), (90, 232082), (180, 116041)]