20173160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72047}}^1$

素因数の和:72065

約数の個数: 32

約数和(自身を含む): 51874560

約数和(自身を除く): 31701400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72047, 144094, 288188, 360235, 504329, 576376, 720470, 1008658, 1440940, 2017316, 2521645, 2881880, 4034632, 5043290, 10086580, 20173160]

約数ペア:

[(1, 20173160), (2, 10086580), (4, 5043290), (5, 4034632), (7, 2881880), (8, 2521645), (10, 2017316), (14, 1440940), (20, 1008658), (28, 720470), (35, 576376), (40, 504329), (56, 360235), (70, 288188), (140, 144094), (280, 72047)]