20887530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5009}}^1$

素因数の和:5158

約数の個数: 32

約数和(自身を含む): 50500800

約数和(自身を除く): 29613270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5009, 10018, 15027, 25045, 30054, 50090, 75135, 150270, 696251, 1392502, 2088753, 3481255, 4177506, 6962510, 10443765, 20887530]

約数ペア:

[(1, 20887530), (2, 10443765), (3, 6962510), (5, 4177506), (6, 3481255), (10, 2088753), (15, 1392502), (30, 696251), (139, 150270), (278, 75135), (417, 50090), (695, 30054), (834, 25045), (1390, 15027), (2085, 10018), (4170, 5009)]