20564687

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4694

約数の個数: 16

約数和(自身を含む): 24944640

約数和(自身を除く): 4379953

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4639, 51029, 60307, 143809, 663377, 1581899, 1869517, 20564687]

約数ペア:

[(1, 20564687), (11, 1869517), (13, 1581899), (31, 663377), (143, 143809), (341, 60307), (403, 51029), (4433, 4639)]