20581694

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39733}}^1$

素因数の和:39779

約数の個数: 16

約数和(自身を含む): 36237408

約数和(自身を除く): 15655714

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39733, 79466, 278131, 556262, 1470121, 2940242, 10290847, 20581694]

約数ペア:

[(1, 20581694), (2, 10290847), (7, 2940242), (14, 1470121), (37, 556262), (74, 278131), (259, 79466), (518, 39733)]