20601392

素因数分解:

$2^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 45830400

約数和(自身を除く): 25229008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 419, 439, 838, 878, 1676, 1756, 2933, 3073, 3352, 3512, 5866, 6146, 6704, 7024, 11732, 12292, 23464, 24584, 46928, 49168, 183941, 367882, 735764, 1287587, 1471528, 2575174, 2943056, 5150348, 10300696, 20601392]

約数ペア:

[(1, 20601392), (2, 10300696), (4, 5150348), (7, 2943056), (8, 2575174), (14, 1471528), (16, 1287587), (28, 735764), (56, 367882), (112, 183941), (419, 49168), (439, 46928), (838, 24584), (878, 23464), (1676, 12292), (1756, 11732), (2933, 7024), (3073, 6704), (3352, 6146), (3512, 5866)]