20477604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243781}}^1$

素因数の和:243795

約数の個数: 24

約数和(自身を含む): 54607168

約数和(自身を除く): 34129564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243781, 487562, 731343, 975124, 1462686, 1706467, 2925372, 3412934, 5119401, 6825868, 10238802, 20477604]

約数ペア:

[(1, 20477604), (2, 10238802), (3, 6825868), (4, 5119401), (6, 3412934), (7, 2925372), (12, 1706467), (14, 1462686), (21, 975124), (28, 731343), (42, 487562), (84, 243781)]