20977446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13499}}^1$

素因数の和:13548

約数の個数: 32

約数和(自身を含む): 49248000

約数和(自身を除く): 28270554

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13499, 26998, 40497, 80994, 94493, 188986, 283479, 499463, 566958, 998926, 1498389, 2996778, 3496241, 6992482, 10488723, 20977446]

約数ペア:

[(1, 20977446), (2, 10488723), (3, 6992482), (6, 3496241), (7, 2996778), (14, 1498389), (21, 998926), (37, 566958), (42, 499463), (74, 283479), (111, 188986), (222, 94493), (259, 80994), (518, 40497), (777, 26998), (1554, 13499)]