20486789

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 22193520

約数和(自身を除く): 1706731

約数列:

[1, 29, 37, 61, 313, 1073, 1769, 2257, 9077, 11581, 19093, 65453, 335849, 553697, 706441, 20486789]

約数ペア:

[(1, 20486789), (29, 706441), (37, 553697), (61, 335849), (313, 65453), (1073, 19093), (1769, 11581), (2257, 9077)]