20272084

素因数分解:

$2^2\times 7^2\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 41526324

約数和(自身を除く): 21254240

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 293, 353, 586, 706, 1172, 1412, 2051, 2471, 4102, 4942, 8204, 9884, 14357, 17297, 28714, 34594, 57428, 69188, 103429, 206858, 413716, 724003, 1448006, 2896012, 5068021, 10136042, 20272084]

約数ペア:

[(1, 20272084), (2, 10136042), (4, 5068021), (7, 2896012), (14, 1448006), (28, 724003), (49, 413716), (98, 206858), (196, 103429), (293, 69188), (353, 57428), (586, 34594), (706, 28714), (1172, 17297), (1412, 14357), (2051, 9884), (2471, 8204), (4102, 4942)]