20185683

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 32073216

約数和(自身を除く): 11887533

約数列:

[1, 3, 7, 21, 37, 83, 111, 249, 259, 313, 581, 777, 939, 1743, 2191, 3071, 6573, 9213, 11581, 21497, 25979, 34743, 64491, 77937, 81067, 181853, 243201, 545559, 961223, 2883669, 6728561, 20185683]

約数ペア:

[(1, 20185683), (3, 6728561), (7, 2883669), (21, 961223), (37, 545559), (83, 243201), (111, 181853), (249, 81067), (259, 77937), (313, 64491), (581, 34743), (777, 25979), (939, 21497), (1743, 11581), (2191, 9213), (3071, 6573)]