20664902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{10957}}^1$

素因数の和:11023

約数の個数: 16

約数和(自身を含む): 33136992

約数和(自身を除く): 12472090

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 10957, 21914, 252011, 449237, 504022, 898474, 10332451, 20664902]

約数ペア:

[(1, 20664902), (2, 10332451), (23, 898474), (41, 504022), (46, 449237), (82, 252011), (943, 21914), (1886, 10957)]