20335581

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3889}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 33983040

約数和(自身を除く): 13647459

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3889, 5229, 11667, 27223, 35001, 81669, 245007, 322787, 968361, 2259509, 2905083, 6778527, 20335581]

約数ペア:

[(1, 20335581), (3, 6778527), (7, 2905083), (9, 2259509), (21, 968361), (63, 322787), (83, 245007), (249, 81669), (581, 35001), (747, 27223), (1743, 11667), (3889, 5229)]