20598249

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 11749911

約数列:

[1, 3, 7, 21, 89, 103, 107, 267, 309, 321, 623, 721, 749, 1869, 2163, 2247, 9167, 9523, 11021, 27501, 28569, 33063, 64169, 66661, 77147, 192507, 199983, 231441, 980869, 2942607, 6866083, 20598249]

約数ペア:

[(1, 20598249), (3, 6866083), (7, 2942607), (21, 980869), (89, 231441), (103, 199983), (107, 192507), (267, 77147), (309, 66661), (321, 64169), (623, 33063), (721, 28569), (749, 27501), (1869, 11021), (2163, 9523), (2247, 9167)]