20768156949

素因数分解:

$3^1\times {\mathrm{431}}^1\times {\mathrm{3449}}^1\times {\mathrm{4657}}^1$

素因数の和:8540

約数の個数: 16

約数和(自身を含む): 27769132800

約数和(自身を除く): 7000975851

約数列:

[1, 3, 431, 1293, 3449, 4657, 10347, 13971, 1486519, 2007167, 4459557, 6021501, 16061993, 48185979, 6922718983, 20768156949]

約数ペア:

[(1, 20768156949), (3, 6922718983), (431, 48185979), (1293, 16061993), (3449, 6021501), (4657, 4459557), (10347, 2007167), (13971, 1486519)]