20941690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27197}}^1$

素因数の和:27222

約数の個数: 32

約数和(自身を含む): 46998144

約数和(自身を除く): 26056454

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27197, 54394, 135985, 190379, 271970, 299167, 380758, 598334, 951895, 1495835, 1903790, 2094169, 2991670, 4188338, 10470845, 20941690]

約数ペア:

[(1, 20941690), (2, 10470845), (5, 4188338), (7, 2991670), (10, 2094169), (11, 1903790), (14, 1495835), (22, 951895), (35, 598334), (55, 380758), (70, 299167), (77, 271970), (110, 190379), (154, 135985), (385, 54394), (770, 27197)]