20402690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26497}}^1$

素因数の和:26522

約数の個数: 32

約数和(自身を含む): 45788544

約数和(自身を除く): 25385854

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26497, 52994, 132485, 185479, 264970, 291467, 370958, 582934, 927395, 1457335, 1854790, 2040269, 2914670, 4080538, 10201345, 20402690]

約数ペア:

[(1, 20402690), (2, 10201345), (5, 4080538), (7, 2914670), (10, 2040269), (11, 1854790), (14, 1457335), (22, 927395), (35, 582934), (55, 370958), (70, 291467), (77, 264970), (110, 185479), (154, 132485), (385, 52994), (770, 26497)]