20307309

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 30477216

約数和(自身を除く): 10169907

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1301, 1419, 3903, 5203, 14311, 15609, 42933, 55943, 157421, 167829, 472263, 615373, 1846119, 6769103, 20307309]

約数ペア:

[(1, 20307309), (3, 6769103), (11, 1846119), (33, 615373), (43, 472263), (121, 167829), (129, 157421), (363, 55943), (473, 42933), (1301, 15609), (1419, 14311), (3903, 5203)]