20765073

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4871}}^1$

素因数の和:4917

約数の個数: 24

約数和(自身を含む): 33324480

約数和(自身を除く): 12559407

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4871, 14613, 34097, 102291, 141259, 238679, 423777, 716037, 988813, 2966439, 6921691, 20765073]

約数ペア:

[(1, 20765073), (3, 6921691), (7, 2966439), (21, 988813), (29, 716037), (49, 423777), (87, 238679), (147, 141259), (203, 102291), (609, 34097), (1421, 14613), (4263, 4871)]