20547065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 10612231

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 385, 415, 581, 643, 913, 2905, 3215, 4501, 4565, 6391, 7073, 22505, 31955, 35365, 49511, 53369, 247555, 266845, 373583, 587059, 1867915, 2935295, 4109413, 20547065]

約数ペア:

[(1, 20547065), (5, 4109413), (7, 2935295), (11, 1867915), (35, 587059), (55, 373583), (77, 266845), (83, 247555), (385, 53369), (415, 49511), (581, 35365), (643, 31955), (913, 22505), (2905, 7073), (3215, 6391), (4501, 4565)]