20226745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 30606336

約数和(自身を除く): 10379591

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 385, 491, 535, 749, 1177, 2455, 3437, 3745, 5401, 5885, 8239, 17185, 27005, 37807, 41195, 52537, 189035, 262685, 367759, 577907, 1838795, 2889535, 4045349, 20226745]

約数ペア:

[(1, 20226745), (5, 4045349), (7, 2889535), (11, 1838795), (35, 577907), (55, 367759), (77, 262685), (107, 189035), (385, 52537), (491, 41195), (535, 37807), (749, 27005), (1177, 17185), (2455, 8239), (3437, 5885), (3745, 5401)]