20524707

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3163}}^1$

素因数の和:3279

約数の個数: 24

約数和(自身を含む): 34221824

約数和(自身を除く): 13697117

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3163, 6489, 9489, 22141, 28467, 66423, 199269, 325789, 977367, 2280523, 2932101, 6841569, 20524707]

約数ペア:

[(1, 20524707), (3, 6841569), (7, 2932101), (9, 2280523), (21, 977367), (63, 325789), (103, 199269), (309, 66423), (721, 28467), (927, 22141), (2163, 9489), (3163, 6489)]