20052080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5333}}^1$

素因数の和:5393

約数の個数: 40

約数和(自身を含む): 47621952

約数和(自身を除く): 27569872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5333, 10666, 21332, 26665, 42664, 53330, 85328, 106660, 213320, 250651, 426640, 501302, 1002604, 1253255, 2005208, 2506510, 4010416, 5013020, 10026040, 20052080]

約数ペア:

[(1, 20052080), (2, 10026040), (4, 5013020), (5, 4010416), (8, 2506510), (10, 2005208), (16, 1253255), (20, 1002604), (40, 501302), (47, 426640), (80, 250651), (94, 213320), (188, 106660), (235, 85328), (376, 53330), (470, 42664), (752, 26665), (940, 21332), (1880, 10666), (3760, 5333)]