20090060

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5099}}^1$

素因数の和:5305

約数の個数: 24

約数和(自身を含む): 42411600

約数和(自身を除く): 22321540

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 5099, 10198, 20396, 25495, 50990, 101980, 1004503, 2009006, 4018012, 5022515, 10045030, 20090060]

約数ペア:

[(1, 20090060), (2, 10045030), (4, 5022515), (5, 4018012), (10, 2009006), (20, 1004503), (197, 101980), (394, 50990), (788, 25495), (985, 20396), (1970, 10198), (3940, 5099)]