20805438

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47501}}^1$

素因数の和:47579

約数の個数: 16

約数和(自身を含む): 42181776

約数和(自身を除く): 21376338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47501, 95002, 142503, 285006, 3467573, 6935146, 10402719, 20805438]

約数ペア:

[(1, 20805438), (2, 10402719), (3, 6935146), (6, 3467573), (73, 285006), (146, 142503), (219, 95002), (438, 47501)]