20551408

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27329}}^1$

素因数の和:27384

約数の個数: 20

約数和(自身を含む): 40667040

約数和(自身を除く): 20115632

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27329, 54658, 109316, 218632, 437264, 1284463, 2568926, 5137852, 10275704, 20551408]

約数ペア:

[(1, 20551408), (2, 10275704), (4, 5137852), (8, 2568926), (16, 1284463), (47, 437264), (94, 218632), (188, 109316), (376, 54658), (752, 27329)]