20334657

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3277

約数の個数: 24

約数和(自身を含む): 32282976

約数和(自身を除く): 11948319

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 3217, 6321, 9651, 22519, 67557, 138331, 157633, 414993, 472899, 968317, 2904951, 6778219, 20334657]

約数ペア:

[(1, 20334657), (3, 6778219), (7, 2904951), (21, 968317), (43, 472899), (49, 414993), (129, 157633), (147, 138331), (301, 67557), (903, 22519), (2107, 9651), (3217, 6321)]