20949944

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{60901}}^1$

素因数の和:60950

約数の個数: 16

約数和(自身を含む): 40195320

約数和(自身を除く): 19245376

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 60901, 121802, 243604, 487208, 2618743, 5237486, 10474972, 20949944]

約数ペア:

[(1, 20949944), (2, 10474972), (4, 5237486), (8, 2618743), (43, 487208), (86, 243604), (172, 121802), (344, 60901)]