20684552

素因数分解:

$2^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{857}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23794168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 431, 857, 862, 1714, 1724, 3017, 3428, 3448, 5999, 6034, 6856, 11998, 12068, 23996, 24136, 47992, 369367, 738734, 1477468, 2585569, 2954936, 5171138, 10342276, 20684552]

約数ペア:

[(1, 20684552), (2, 10342276), (4, 5171138), (7, 2954936), (8, 2585569), (14, 1477468), (28, 738734), (56, 369367), (431, 47992), (857, 24136), (862, 23996), (1714, 12068), (1724, 11998), (3017, 6856), (3428, 6034), (3448, 5999)]