20319435

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10501}}^1$

素因数の和:10555

約数の個数: 24

約数和(自身を含む): 36042864

約数和(自身を除く): 15723429

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10501, 31503, 52505, 94509, 157515, 451543, 472545, 1354629, 2257715, 4063887, 6773145, 20319435]

約数ペア:

[(1, 20319435), (3, 6773145), (5, 4063887), (9, 2257715), (15, 1354629), (43, 472545), (45, 451543), (129, 157515), (215, 94509), (387, 52505), (645, 31503), (1935, 10501)]