20136680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10711}}^1$

素因数の和:10769

約数の個数: 32

約数和(自身を含む): 46275840

約数和(自身を除く): 26139160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10711, 21422, 42844, 53555, 85688, 107110, 214220, 428440, 503417, 1006834, 2013668, 2517085, 4027336, 5034170, 10068340, 20136680]

約数ペア:

[(1, 20136680), (2, 10068340), (4, 5034170), (5, 4027336), (8, 2517085), (10, 2013668), (20, 1006834), (40, 503417), (47, 428440), (94, 214220), (188, 107110), (235, 85688), (376, 53555), (470, 42844), (940, 21422), (1880, 10711)]